CINXE.COM
Prism - GraphPad
<!DOCTYPE html><html lang="en-US"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width"/><title>Prism - GraphPad</title><meta name="description" content="Create publication-quality graphs and analyze your scientific data with t-tests, ANOVA, linear and nonlinear regression, survival analysis and more."/><link rel="canonical" href="https://www.graphpad.com/features"/><meta name="next-head-count" content="5"/><script type="text/javascript"> window._vwo_code = window._vwo_code || (function(){ var account_id=587200, settings_tolerance=2000, library_tolerance=2500, use_existing_jquery=false, is_spa=1, hide_element='body', /* DO NOT EDIT BELOW THIS LINE */ f=false,d=document,code={use_existing_jquery:function(){return use_existing_jquery;},library_tolerance:function(){return library_tolerance;},finish:function(){if(!f){f=true;var a=d.getElementById('_vis_opt_path_hides');if(a)a.parentNode.removeChild(a);}},finished:function(){return f;},load:function(a){var b=d.createElement('script');b.src=a;b.type='text/javascript';b.innerText;b.onerror=function(){_vwo_code.finish();};d.getElementsByTagName('head')[0].appendChild(b);},init:function(){ window.settings_timer=setTimeout(function () {_vwo_code.finish() },settings_tolerance);var a=d.createElement('style'),b=hide_element?hide_element+'{opacity:0 !important;filter:alpha(opacity=0) !important;background:none !important;}':'',h=d.getElementsByTagName('head')[0];a.setAttribute('id','_vis_opt_path_hides');a.setAttribute('type','text/css');if(a.styleSheet)a.styleSheet.cssText=b;else a.appendChild(d.createTextNode(b));h.appendChild(a);this.load('https://dev.visualwebsiteoptimizer.com/j.php?a='+account_id+'&u='+encodeURIComponent(d.URL)+'&f='+(+is_spa)+'&r='+Math.random());return settings_timer; }};window._vwo_settings_timer = code.init(); return code; }()); window.dataLayer = window.dataLayer || []; dataLayer.push({ "environment": "production", "app": { "name": "graphpad-nextjs", "version": "0.0.1" }, "event": "Returned Page" }); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start': new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0], j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src= 'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f); })(window,document,'script','dataLayer','GTM-TQGN2HT'); </script><link rel="stylesheet" href="https://cdn.graphpad.com/assets/17.16.6/styles.css"/><link rel="apple-touch-icon" sizes="57x57" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-57x57.png"/><link rel="apple-touch-icon" sizes="60x60" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-60x60.png"/><link rel="apple-touch-icon" sizes="72x72" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-72x72.png"/><link rel="apple-touch-icon" sizes="76x76" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-76x76.png"/><link rel="apple-touch-icon" sizes="114x114" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-114x114.png"/><link rel="apple-touch-icon" sizes="120x120" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-120x120.png"/><link rel="apple-touch-icon" sizes="144x144" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-144x144.png"/><link rel="apple-touch-icon" sizes="152x152" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-152x152.png"/><link rel="apple-touch-icon" sizes="180x180" href="https://cdn.graphpad.com/assets/17.16.6/favicon/apple-icon-180x180.png"/><link rel="icon" type="image/png" sizes="36x36" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-36x36.png"/><link rel="icon" type="image/png" sizes="48x48" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-48x48.png"/><link rel="icon" type="image/png" sizes="72x72" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-72x72.png"/><link rel="icon" type="image/png" sizes="96x96" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-96x96.png"/><link rel="icon" type="image/png" sizes="144x144" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-144x144.png"/><link rel="icon" type="image/png" sizes="192x192" href="https://cdn.graphpad.com/assets/17.16.6/favicon/android-icon-192x192.png"/><link rel="icon" type="image/png" sizes="32x32" href="https://cdn.graphpad.com/assets/17.16.6/favicon/favicon-32x32.png"/><link rel="icon" type="image/png" sizes="96x96" href="https://cdn.graphpad.com/assets/17.16.6/favicon/favicon-96x96.png"/><link rel="icon" type="image/png" sizes="16x16" href="https://cdn.graphpad.com/assets/17.16.6/favicon/favicon-16x16.png"/><link rel="manifest" href="https://cdn.graphpad.com/assets/17.16.6/favicon/manifest.json"/><meta name="msapplication-TileColor" content="#ffffff"/><meta name="msapplication-TileImage" content="https://cdn.graphpad.com/assets/17.16.6/favicon/ms-icon-144x144.png"/><meta name="theme-color" content="#ffffff"/><link rel="preload" href="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/css/8cc74b1fd7df5e4b.css" as="style"/><link rel="stylesheet" href="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/css/8cc74b1fd7df5e4b.css" data-n-g=""/><noscript data-n-css=""></noscript><script defer="" nomodule="" src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/polyfills-c67a75d1b6f99dc8.js"></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/webpack-f217568f152f5096.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/framework-ef99e484b550fe99.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/main-caa25dc789b6d4e8.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/pages/_app-a212112323157728.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/5568-3bcb7a91b3eb70a3.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/8135-17dd914647d45e74.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/3284-a9b4508b13be25a7.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/6136-c1e79320f5464a9e.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/9365-17f825203aa76d7e.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/chunks/pages/features-efe899deba1d447d.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/5JsyC0XYPqWX8xIIo8x6E/_buildManifest.js" defer=""></script><script src="https://cdn.graphpad.com/nextjs/0.0.1_2369/_next/static/5JsyC0XYPqWX8xIIo8x6E/_ssgManifest.js" defer=""></script></head><body><div id="__next"><style>body{background-color: transparent}</style><section class="display-none--sm display-none--md topbar"><div class="grid-container"><div class="grid-x grid-padding-x align-items-center"><div class="cell shrink mr-12 mt-1"><a href="https://www.dotmatics.com" target="_blank" class="link"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/common/dotmatics-logo-white.svg"/></a></div><div class="cell auto"><div class="grid-x grid-padding-x align-items-center"><span class="dropdown dropdown--mega-menu cell shrink topbar__nav-item"><span class="dropdown-title topbar__nav-item-inline"><span class=""><span class="dropdown-title__text">Explore the Scientific R&D Platform</span><span class="dropdown-title__triangle"><i class="wrapper-icon wrapper-icon-angle-down text-color-dotmatics-2 m-0"></i></span></span></span><span class="dropdown-body dropdown-body--align-left border-top-1px-white--20 border-bottom-1px-white--20 bg-color-dotmatics-6 my-2"><div class="grid-container"><div class="grid-x grid-margin-x grid-margin-y justify-content-start py-3"><div class="cell small-12 medium-8"><div class="my-4"><p class="text-l text-color-white text-weight--bold">An open portfolio of interoperable, industry leading products</p><p class="text-s text-color-white">The Dotmatics digital science platform provides the first true end-to-end solution for scientific R&D, combining an enterprise data platform with the most widely used applications for data analysis, biologics, flow cytometry, chemicals innovation, and more.</p><a class="btn mt-4 px-5 py-3 button-theme-topbar" href="//www.dotmatics.com/platform" target="_blank">Explore the Platform<i class="wrapper-icon wrapper-icon-link-ext ml-4"></i></a></div></div></div></div><img class="image position-absolute top-0 right-0" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/platform.png"/><div class="grid-container"><div class="grid-x grid-margin-x grid-margin-y justify-content-center py-1"><div class="cell small-12 medium-4 large-3"><a href="#" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-Prism.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Statistical analysis and graphing software for scientists</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//www.geneious.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-Geneious.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Bioinformatics, cloning, and antibody discovery software</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//www.snapgene.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-SnapGene.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Plan, visualize, & document core molecular biology procedures</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//www.labarchives.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-LabArchives.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Electronic Lab Notebook to organize, search and share data</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//proteinmetrics.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-Protein-Metrics.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Proteomics software for analysis of mass spec data</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//www.omiq.ai/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-OMIQ.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Modern cytometry analysis platform</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//denovosoftware.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-FCS-Express.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Analysis, statistics, graphing and reporting of flow cytometry data</p></a></div><div class="cell small-12 medium-4 large-3"><a href="//www.statsols.com/?utm_medium=referral&utm_source=graphpad&utm_campaign=dotmatics-top-bar" target="_blank" class="link topbar-block-link"><div class="grid-x"><div class="cell auto"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/dotmatics/lab-archives/top-bar/PreNav-Logo-nQuery.svg"/></div><div class="cell shrink"><div class="topbar-block-link-icon"><i class="wrapper-icon wrapper-icon-link-ext wrapper-icon--s"></i></div></div></div><p class="text-xs text-color-white">Software to optimize designs of clinical trials</p></a></div><div class="cell small-12 medium-12 large-12"><a class="btn mt-4 mb-8 px-5 py-3 button-theme-topbar" href="https://www.dotmatics.com/portfolio" target="_blank">Explore the Applications<i class="wrapper-icon wrapper-icon-link-ext ml-4"></i></a></div></div></div></span></span></div></div></div></div></section><header class="header" role="banner"><div class="grid-container"><div class="grid-x grid-padding-x header__layout navbar"><div class="cell"><div class="grid-x align-items-center"><div class="cell large-shrink navbar__header"><div class="display-flex justify-content-between align-items-center"><div class="header__logo"><a href="//www.graphpad.com/" data-qa-selector="header-logo" class="link--external logo-link max-w-45"><img class="image logo" alt="GraphPad by Dotmatics" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/logo/logo-graphpad-white.svg"/></a></div><button type="button" class="navbar__toggle" data-toggle="toggleButton" data-target="#navbar"><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button></div></div><div class="cell large-auto navbar__collapse" id="navbar"><div class="display-flex--lg justify-content-end--lg w-full--lg"><ul class="nav primary-nav nav--inverted"><li class="dropdown dropdown--mega-menu"><span class="dropdown-title nav__item-link"><span class=""><span class="dropdown-title__text">Prism</span><span class="dropdown-title__triangle"><i class="wrapper-icon wrapper-icon-angle-down m-0"></i></span></span></span><span class="dropdown-body dropdown-body--align-left bg-color-white"><div class="grid-container"><div class="grid-x grid-margin-x grid-margin-y justify-content-center py-3"><div class="cell small-12 medium-4 large-3 border-right-1px-black--20--lg"><p class="text-s text-color-black--60 pl-1">FEATURES</p><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Prism Overview</a></div><div class="text-s text-color-black--46 mt-0 pl-1">Analyze, graph and present your work</div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features#analysis" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Analysis</a></div><div class="text-s text-color-black--46 mt-0 pl-1">Comprehensive analysis and statistics</div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features#graphing" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Graphing</a></div><div class="text-s text-color-black--46 mt-0 pl-1">Elegant graphing and visualizations</div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/cloud" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Cloud</a></div><div class="text-s text-color-black--46 mt-0 pl-1">Share, view and discuss your projects</div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/updates" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">What’s New</a></div><div class="text-s text-color-black--46 mt-0 pl-1">Latest product features and releases</div></div></div><div class="cell small-12 medium-4 large-3"><p class="text-s text-color-black--60 pl-1">POPULAR USE CASES</p><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/prism-anova" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">ANOVA</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/power-analysis" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Power & Sample Size</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/prism-survival-analysis" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Survival Analysis</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/prism-nonlinear-regression" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Non-Linear Regression</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/machine-learning" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Machine Learning</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/features/flow-cytometry" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">Flow Cytometry</a></div></div></div><div class="cell small-12 medium-4 large-3"><p class="text-s text-color-black--60 pl-1">INTEGRATIONS</p><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/integrations/omiq" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">OMIQ Flow Cytometry</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/integrations/fcs-express" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">FCS Express</a></div></div><div class="my-0--sm my-0--md my-3--lg"><div class=""><a href="/integrations/labarchives" class="text-color-black text-color-2--hover text-weight--400 pl-1 pb-0--sm pb-0--md nav__item-link">LabArchives</a></div></div></div></div></div></span></li><li class=""><a href="/enterprise" class="link nav__item-link">Enterprise</a></li><li class=""><a href="/resources" class="link nav__item-link">Resources</a></li><li class=""><a href="//www.graphpad.com/support/" class="nav__item-link">Support</a></li><li class=""><a href="//www.graphpad.com/how-to-buy/" class="nav__item-link">Pricing</a></li></ul><ul class="nav secondary-nav nav--inverted"><li class="secondary-nav__item"><a href="//www.graphpad.com/ecommerce/" class="nav__item-link"><i class="wrapper-icon wrapper-icon-shopping-cart"></i>Cart</a></li><li class="secondary-nav__item"><a href="//www.graphpad.com/myaccount" class="nav__item-link"><i class="wrapper-icon wrapper-icon-user-alt"></i> <!-- -->Sign In</a></li><li class="secondary-nav__item secondary-nav__item-search dropdown"><a class="nav__item-link dropdown-title"><span class=""><span class="dropdown-title__text"><i class="wrapper-icon wrapper-icon-search"></i></span></span></a><span class="dropdown-body dropdown-body--align-left bg-color-black--10 header__search"><div class="grid-container"><div class="grid-x"><div class="cell"><div class="search-form"><form class="form form--stacked" method="get" action="/search/"><input type="search" maxLength="250" class="field__input field__search" id="searchquery" name="searchquery" placeholder="Search..." autoComplete="off"/></form></div></div></div></div></span></li><li class="secondary-nav__item secondary-nav__item-trial"><a class="btn btn-primary btn-s" href="//www.graphpad.com/demos/"><i class="wrapper-icon wrapper-icon-arrow-to-bottom"></i> <!-- -->Free Trial</a></li></ul></div></div></div></div></div></div></header><main><div class="" role="main"><section class="section-hero section-hero-text-left section-hero-color-gradient"><div class="grid-container"><div class="grid-x"><div class="cell"><div class="grid-x"><div class="cell large-10 large-offset-2"><div class="grid-x"><div class="cell"><img class="image ml-m32--lg h-16" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/logo-prism-white.svg"/></div><div class="cell large-8"><div class="section-hero__description text-color-black--10 mt-5">The preferred analysis and graphing solution purpose-built for scientific research. Join the world’s leading scientists and discover how you can use Prism to save time, make more appropriate analysis choices, and elegantly graph and present your scientific research.</div><div class="grid-x grid-margin-x grid-margin-y section-hero__action"><div class="cell medium-shrink"><div class="grid-x grid-margin-x grid-margin-y justify-content-center"><div class="cell medium-shrink"><a class="btn btn-primary btn-block btn-s section-hero__button" href="/demos/">Start a Free Trial</a></div><div class="cell medium-shrink"><a class="btn btn-outline2-info-light btn-block btn-s section-hero__button" href="/how-to-buy/">Pricing</a></div></div></div></div></div></div></div></div><div class="section-hero__background section-hero__background--right section-hero__background--bottom"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/hero-bg.png"/></div></div></div></div></section><section class="bg-color-black--10"><div class="grid-container"><div class="grid-x"><div class="cell"><div class="page-navbar align-horizontal--center"><div class="page-navbar-item"><a href="/updates" class="link page-navbar-link"><span>Discover what’s new<!-- --> <i class="wrapper-icon wrapper-icon-angle-right ml-1"></i></span></a></div></div></div></div></div></section><section class="landing-simple-section" id="analysis"><div class="grid-container"><div class="grid-x"><div class="cell"><h2 class="heading landing-simple-section__title-v2 text-center mt-0 mb-20">Comprehensive Analysis and Powerful Statistics, Simplified</h2><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Organize Your Data Effectively</h3><div class="feature__meta-description"><p class="">Prism is specifically formatted for the analyses you want to run, including analysis of quantitative and categorical data. This makes it easier to enter data correctly, choose suitable analyses, and create stunning graphs.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-multi-variables-w1182-800.png"/></span></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/sample_size.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Sample Size and Power Analysis</h3><div class="feature__meta-description"><p class="">Optimize your experiments from the start by accurately determining the necessary sample size for your predicted effect, or investigate the smallest effect you can detect given a limited sample size.</p><p class="">Streamline your research process, conserve valuable resources, and boost the reliability of your findings.</p></div><div class=""><a href="/features/power-analysis" class="link text-m">Learn more</a></div></div></div></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Perform The Right Analysis</h3><div class="feature__meta-description"><p class="">Avoid statistical jargon. In clear language, Prism presents an extensive library of analyses from common to highly specific— t tests, one-, two- and three-way<!-- --> <a href="/features/prism-anova" class="link">ANOVA</a>,<!-- -->linear and<!-- --> <a href="/features/prism-nonlinear-regression" class="link">nonlinear regression</a> <!-- -->dose-response curves, binary logistic regression,<!-- --> <a href="/features/prism-survival-analysis" class="link">survival analysis</a>, <!-- -->principal component analysis, and much more. Each analysis has a checklist to help you understand the required statistical assumptions and confirm you have selected an appropriate test.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-t-test-w1076-800.png"/></span></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-welcome-dialog-w1059-800.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Get Actionable Help As You Go</h3><div class="feature__meta-description"><p class=""><span>Reduce the complexity of statistics. Prism’s online help goes beyond your expectations. At almost every step, access thousands of pages from the Prism User Guides. Learn from video lessons, guides and educational materials through <a href='/prism-academy'>Prism Academy</a>. Browse the Graph Portfolio and learn how to make a wide range of graph types. Tutorial data sets also help you understand why you should perform certain analyses and how to interpret your results.</span></p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div></div></div></div></div></section><section class="landing-simple-section bg-color-black--02"><div class="grid-container"><div class="grid-x"><div class="cell"><h2 class="heading landing-simple-section__title-v2 text-center mt-0 mb-20">Work Smarter, Not Harder</h2><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-michaelis-w1102-800.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">One-Click Regression Analysis</h3><div class="feature__meta-description"><p class="">No other program simplifies curve fitting like Prism. Select an equation and Prism does the rest—fits the curve, displays a table of results and function parameters, draws the curve on the graph, and interpolates unknown values.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Focus on Your Research, Not Your Software</h3><div class="feature__meta-description"><p class="">Prism handles the coding for you. Graphs and results are automatically updated in real time. Any changes to the data and analyses— direct entry of data, omitting erroneous data, correcting typos, or changing analysis choices—are reflected in results, graphs, and layouts instantaneously.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-xy-w1224-800.png"/></span></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-stars-on-graph-options-w1210-800.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Automate Your Work Without Programming</h3><div class="feature__meta-description"><p class="">Automatically add multiple pairwise comparisons to your analysis with a single click. For customization options of these lines and asterisks, simply click the toolbar button again. Make adjustments to the data or the analysis, and the results displayed on the graph will update automatically.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div></div></div></div></div></section><section class="landing-simple-section" id="graphing"><div class="grid-container"><div class="grid-x"><div class="cell"><h2 class="heading landing-simple-section__title-v2 text-center mt-0 mb-20">The Fastest Way to Elegantly Graph and Share Your Work</h2><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Countless Ways to Customize Your Graphs</h3><div class="feature__meta-description"><p class="">Explore countless ways to present a single data set. Select the visualization style that most clearly tells the story contained within your data. Simply choose a graph type, then customize it in real-time with changes to how the data are arranged, the style of the data points, labels, fonts, colors, and much more. The customization options are endless.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-customize-w1252-800.png"/></span></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/data-graph-inspector.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Explore Your Data</h3><div class="feature__meta-description"><p class="">Focus your efforts on analyzing the most relevant data. Customize how you present the relationships in the data to effectively explore large data sets. Notice something interesting? Highlight a single data point to explore its corresponding properties. With Prisms' robust data wrangling capabilities, you can both save time and ensure that your analysis is based on clean and well-structured data.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Export Publication-Quality Graphs With One Click</h3><div class="feature__meta-description"><p class="">Reduce time to publish. Prism allows you to customize your exports (file type, resolution, transparency, dimensions, color space RGB/CMYK) to meet the requirements of journals. Set your defaults to save time.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-publication-w1178-800.png"/></span></div></div></div><div class="grid-x grid-padding-x align-items-center feature"><div class="cell small-12 medium-6 feature__image"><div class="feature__image--indent"><span class="image-caption"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/cloud/discuss-upd.png"/></span></div></div><div class="cell small-12 medium-6 feature__meta"><div class="feature__meta--indent"><div class="grid-x"><div class="cell auto"><h3 class="heading feature__meta-title heading-l">Collaboration. Simplified.</h3><div class="feature__meta-description"><p class="">Avoid those messy email threads and use Prism Cloud to share, view and collaborate on your Prism projects. Safeguard the interoperability and reusability of your results with Prism’s open access file format. By using industry-standard formats (CSV, PNG, JSON, etc.), you can ensure that your projects can be utilized outside of Prism to open up new possibilities for your data workflows and integrations.</p></div><div class=""><a href="/demos/" class="link text-m">Start a Free Trial</a></div></div></div></div></div></div></div></div></div></section><section class="landing-simple-section bg-color-5"><div class="grid-container"><div class="grid-x"><div class="cell"><h2 class="heading landing-simple-section__title-v2 text-color-white text-center mt-0 mb-5">Discover What’s New in Prism!</h2><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-8"><div class="landing-simple-section__description-v2 text-l text-color-white text-center mt-4">Introducing an even more powerful Prism featuring enhanced data visualization and graph customization, more intuitive navigation, and more sophisticated statistical analyses.</div></div></div></div><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-9"><div class="line line--gradient mb-10"></div><h3 class="heading heading-l text-color-white text-center my-15">Enhanced Data Visualization and Graphs Customization</h3><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-bubble-w350-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Bubble Plots</h4><p class="text-color-black--15">Create Bubble Plots directly from raw data, encoding variables for position (X- and Y-coordinates), color, and size</p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-violin-w350-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Violin plots</h4><p class="text-color-black--15">Visualize distributions of large data sets with either extended or truncated violin plots</p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-estimationplots-w350-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Estimation Plots</h4><p class="text-color-black--15">Automatically display your analysis results</p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-wn-smoothing-spline-w1281-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Smoothing spline</h4><p class="text-color-black--15">Major improvements in showing general data trends through Akima splines and smoothing splines with improved control over the number of knots, or inflection points</p></div></div></div><div class="grid-x"><div class="cell text-center my-10"><a href="/guides/prism/latest/user-guide/whats-new-highlights.htm" class="link text-xl text-color-4 text-color-white--hover text-weight--medium">Read More</a></div></div></div></div></div><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-9"><div class="line line--gradient mb-10"></div><h3 class="heading heading-l text-color-white text-center my-15">Improved Graphing and Customization Options</h3><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/stars-on-graph.jpg"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Stars on Graph</h4><p class="text-color-black--15">Automatically add multiple comparison results to graphs. Choose from a variety of P value summary styles including a responsive method appropriate for any alpha level</p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/improved-graph-customization.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Improved Graph Customization</h4><p class="text-color-black--15">Craft stunning Bubble plots faster, easier, and more intuitively than before. Interact and customize graphs from your Multiple Variables data in real-time</p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-wn-automatically-label-bar-graphs-w1281-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Automatically label bar graphs</h4><p class="text-color-black--15"><span>Annotate your bar graphs with values for the means, medians, or sample sizes to emphasize what's important in your work</span></p></div></div></div><div><div class="grid-x grid-margin-x grid-margin-y align-items-center"><div class="cell small-12 medium-3 large-3 text-center mt-10"><img class="image" alt="" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/prism/prism-wn-improved-group-graphs-w960-200.png"/></div><div class="cell small-12 medium-9 large-9"><h4 class="heading heading-m text-color-white mb-4">Improved grouped graphs</h4><p class="text-color-black--15">Easily create graphs that show both individual points (scatter) along with bars for mean (or median) and error bars</p></div></div></div><div class="grid-x"><div class="cell text-center my-10"><a href="/guides/prism/latest/user-guide/better-looking-graphs.htm" class="link text-xl text-color-4 text-color-white--hover text-weight--medium">Read More</a></div></div></div></div></div><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-9"><div class="line line--gradient mb-10"></div><div class="grid-x justify-content-center"><div class="cell medium-10"><h3 class="heading heading-l text-color-white text-center">More Effective and Efficient Research</h3><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Greater Collaboration</h3><p class="text-color-black--15 text-center">Use Prism Cloud to avoid those messy email threads. Keep all of your discussions in one place while securely controlling who has access to your work</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">A More Open Access File Format</h3><p class="text-color-black--15 text-center">By using industry-standard formats (CSV, PNG, JSON, etc.), you can ensure that your projects can be utilized outside of Prism and open up new possibilities for your data workflows and integrations</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Expanded Data Table Capabilities</h3><p class="text-color-black--15 text-center">You can have as many windows open as you need and data in up to 2048 columns, with 512 sub columns in each. Expanded analysis constant dialog allows you to link to more results for all types of analyses</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Intelligent Data Wrangling</h3><p class="text-color-black--15 text-center">A new range of tools to help prepare your data for analysis. Covering multiple variables data tables, select and transform analysis and extract and rearrange functionality</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Hook Constant Dialog Upgrade</h3><p class="text-color-black--15 text-center">A convenient way to establish connections between different elements in Prism. A new easy-to-navigate tree structure now covers the entire library of Prism analyses</p></div></div><div class="grid-x"><div class="cell text-center my-10"><a href="/updates/prism-1000-release-notes" class="link text-xl text-color-4 text-color-white--hover text-weight--medium">Read More</a></div></div></div></div></div></div></div><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-9"><div class="line line--gradient mb-10"></div><div class="grid-x justify-content-center"><div class="cell medium-10"><h3 class="heading heading-l text-color-white text-center">Featuring Eight Kind of Data Tables</h3><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">XY tables</h3><p class="text-color-black--15 text-center">Used when every data point is defined by a single X and Y value. These sorts of data are often fit with linear or nonlinear regression models.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Column tables</h3><p class="text-color-black--15 text-center">Used for data organized into groups by a single grouping variable (for example Treatment vs. Control or Female vs. Male). Often analyzed using t tests and one-way ANOVA.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Grouped tables </h3><p class="text-color-black--15 text-center">Used for data organized into groups by two grouping variables (for example Female Control vs. Female Treatment vs. Male Control vs. Male Treatment). Often analyzed using two-way ANOVA.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Contingency tables </h3><p class="text-color-black--15 text-center">Used for count data organized into groups by two grouping variables (Treatment vs. Control and Positive vs. Negative Outcome). Appropriate for analysis by Chi-square and Fisher's exact test.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Survival tables</h3><p class="text-color-black--15 text-center">Used to perform Kaplan-Meier survival analysis. Each row represents a subject or individual with elapsed survival time and outcome.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Parts of whole tables</h3><p class="text-color-black--15 text-center">Used when it makes sense to ask: "What fraction of the total is each value in the table?". Used for calculating fractions and generating pie charts.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Multiple variables tables</h3><p class="text-color-black--15 text-center">Used when each row of the data is a different observation and each column is a different variable and supports text values. Can be analyzed directly with multiple linear regression, Cox regression, and others or restructured into one of Prism's other table types.</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Nested tables</h3><p class="text-color-black--15 text-center">Used when the data are organized into hierarchical groups. Analyzed using nested t tests or nested one-way ANOVA.</p></div></div><div class="grid-x"><div class="cell text-center my-10"><a href="/guides/prism/latest/user-guide/using_data_table_format.htm" class="link text-xl text-color-4 text-color-white--hover text-weight--medium">Read More</a></div></div></div></div></div></div></div><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell large-9"><div class="line line--gradient mb-10"></div><div class="grid-x justify-content-center"><div class="cell medium-10"><h3 class="heading heading-l text-color-white text-center">More Sophisticated Statistical Analyses</h3><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Perform repeated measures ANOVA – even with missing data</h3><p class="text-color-black--15 text-center">Now Prism will automatically fit a mixed effects model to complete this analysis</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Perform simple and multiple logistic regression</h3><p class="text-color-black--15 text-center">Fit a model to a binary outcome (yes/no, win/lose, pass/fail) based on one predictor variable (simple logistic regression) or many predictor variables (multiple logistic regression)</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Principal Component Analysis (PCA)</h3><p class="text-color-black--15 text-center">Calculate and select the principal components that describe the greatest amount of variance in your data. Choose from selection techniques including Parallel Analysis via Monte Carlo simulation, Eigenvalue threshold, Proportion of Variance threshold, and more</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Multiple t test (and nonparametric) analyses</h3><p class="text-color-black--15 text-center">Perform multiple independent two-sample comparison tests simultaneously. Select from parametric/nonparametric tests, and specify if data are unpaired/paired</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Analyze categorical variables with text in Multiple Linear and Multiple Logistic Regression</h3><p class="text-color-black--15 text-center">No coding required! Prism will automatically encode categorical variables and perform the analysis. Specify a reference and organize all levels of categorical variables in a model for clear, readable results</p></div></div><div class="grid-x justify-content-center"><div class="cell large-10"><h3 class="heading heading-m text-color-white text-weight--medium text-center mt-10">Interpolation from multiple linear and multiple logistic regression</h3><p class="text-color-black--15 text-center">Use the specified model to predict values for the dependent variable based on data in the data table or using theoretical values specified in the analysis</p></div></div><div class="grid-x"><div class="cell text-center my-10"><a href="/guides/prism/latest/user-guide/repeated-measures-anova-with-m.htm" class="link text-xl text-color-4 text-color-white--hover text-weight--medium">Read More</a></div></div></div></div></div></div></div></div></div></div></section><section class="section-try-for-free"><div class="grid-container"><div class="grid-x justify-content-center"><div class="cell text-center pt-5"><a class="btn btn-primary" href="/demos/">Start Free 30 Day Trial</a><p class="text-color-white">No credit card required.</p></div></div></div></section><section class="landing-simple-section"><div class="grid-container"><div class="grid-x"><div class="cell"><h2 class="heading landing-simple-section__title-v2 text-center mt-0 mb-20">Discover the Breadth of Statistical Features Available in Prism</h2><div class="grid-x grid-margin-x justify-content-center"><div class="cell medium-6 px-4"><h4 class="heading heading-m my-3">Statistical Comparisons</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Paired or unpaired t tests. Reports P values and confidence intervals.</li><li class="li ml-2 mb-2">Automatically generate volcano plot (difference vs. P value) from multiple t test analysis.</li><li class="li ml-2 mb-2">Nonparametric Mann-Whitney test, including confidence interval of difference of medians.</li><li class="li ml-2 mb-2">Kolmogorov-Smirnov test to compare two groups.</li><li class="li ml-2 mb-2">Wilcoxon test with confidence interval of median.</li><li class="li ml-2 mb-2">Perform many t tests at once, using False Discovery Rate (or Bonferroni multiple comparisons) to choose which comparisons are discoveries to study further.</li><li class="li ml-2 mb-2">Ordinary or repeated measures ANOVA followed by the Tukey, Newman-Keuls, Dunnett, Bonferroni or Holm-Sidak multiple comparison tests, the post-test for trend, or Fisher’s Least Significant tests.</li><li class="li ml-2 mb-2">One-way ANOVA without assuming populations with equal standard deviations using Brown-Forsythe and Welch ANOVA, followed by appropriate comparisons tests (Games-Howell, Tamhane T2, Dunnett T3)</li><li class="li ml-2 mb-2">Many multiple comparisons test are accompanied by confidence intervals and multiplicity adjusted P values.</li><li class="li ml-2 mb-2">Greenhouse-Geisser correction so repeated measures one-, two-, and three-way ANOVA do not have to assume sphericity. When this is chosen, multiple comparison tests also do not assume sphericity.</li><li class="li ml-2 mb-2"><span>Kruskal-Wallis or Friedman nonparametric one-way ANOVA with Dunn's post test.</span></li><li class="li ml-2 mb-2"><span>Fisher's exact test or the chi-square test. Calculate the relative risk and odds ratio with confidence intervals.</span></li><li class="li ml-2 mb-2">Two-way ANOVA, even with missing values with some post tests.</li><li class="li ml-2 mb-2">Two-way ANOVA, with repeated measures in one or both factors. Tukey, Newman-Keuls, Dunnett, Bonferroni, Holm-Sidak, or Fisher’s LSD multiple comparisons testing main and simple effects.</li><li class="li ml-2 mb-2">Three-way ANOVA (limited to two levels in two of the factors, and any number of levels in the third).</li><li class="li ml-2 mb-2">Analysis of repeated measures data (one-, two-, and three-way) using a mixed effects model (similar to repeated measures ANOVA, but capable of handling missing data).</li><li class="li ml-2 mb-2">Comparison of data from nested data tables using nested t test or nested one-way ANOVA (using mixed effects model).</li></ul><h4 class="heading heading-m my-3">Nonlinear Regression</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Fit one of our 105 built-in equations, or enter your own. Now including family of growth equations: exponential growth, exponential plateau, Gompertz, logistic, and beta (growth and then decay).</li><li class="li ml-2 mb-2">Enter differential or implicit equations.</li><li class="li ml-2 mb-2">Enter different equations for different data sets.</li><li class="li ml-2 mb-2">Global nonlinear regression – share parameters between data sets.</li><li class="li ml-2 mb-2">Robust nonlinear regression.</li><li class="li ml-2 mb-2">Automatic outlier identification or elimination.</li><li class="li ml-2 mb-2">Compare models using extra sum-of-squares F test or AICc</li><li class="li ml-2 mb-2">Compare parameters between data sets.</li><li class="li ml-2 mb-2">Apply constraints.</li><li class="li ml-2 mb-2">Differentially weight points by several methods and assess how well your weighting method worked.</li><li class="li ml-2 mb-2">Accept automatic initial estimated values or enter your own.</li><li class="li ml-2 mb-2">Automatically graph curve over specified range of X values.</li><li class="li ml-2 mb-2">Quantify precision of fits with SE or CI of parameters. Confidence intervals can be symmetrical (as is traditional) or asymmetrical (which is more accurate).</li><li class="li ml-2 mb-2">Quantify symmetry of imprecision with Hougaard’s skewness.</li><li class="li ml-2 mb-2">Plot confidence or prediction bands.</li><li class="li ml-2 mb-2">Test normality of residuals.</li><li class="li ml-2 mb-2">Runs or replicates test of adequacy of model.</li><li class="li ml-2 mb-2">Report the covariance matrix or set of dependencies.</li><li class="li ml-2 mb-2">Easily interpolate points from the best fit curve.</li><li class="li ml-2 mb-2">Fit straight lines to two data sets and determine the intersection point and both slopes.</li></ul><h4 class="heading heading-m my-3">Survival Analysis</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Kaplan-Meier survival analysis. Perform nonparametric survival analysis for different groups, and compare the estimated survival curves for each group with the log-rank test (including test for trend).</li><li class="li ml-2 mb-2">Cox proportional hazards regression. Perform semi-parametric survival analysis that allows for the inclusion of additional continuous or categorical predictor variables (covariates). Automatically generate graphs of estimated survival curves for any set of predictor variable values.</li></ul></div><div class="cell medium-6 px-4"><h4 class="heading heading-m my-3">Principal Component Analysis</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Component selection via Parallel Analysis (Monte Carlo simulation), Kaiser criterion (Eigenvalue threshold), Proportion of Variance threshold, and more.</li><li class="li ml-2 mb-2">Automatically generated Scree Plots, Loading Plots, Biplots, and more.</li><li class="li ml-2 mb-2">Use results in downstream applications like Principal Component Regression.</li></ul><h4 class="heading heading-m my-3">Multiple Variable Graphing</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Specify variables defining axis coordinates, color, and size.</li><li class="li ml-2 mb-2">Create Bubble Plots.</li></ul><h4 class="heading heading-m my-3">Column Statistics</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Calculate descriptive statistics: min, max, quartiles, mean, SD, SEM, CI, CV, skewness, kurtosis.</li><li class="li ml-2 mb-2">Mean or geometric mean with confidence intervals.</li><li class="li ml-2 mb-2">Frequency distributions (bin to histogram), including cumulative histograms</li><li class="li ml-2 mb-2">Normality testing by four methods (new: Anderson-Darling).</li><li class="li ml-2 mb-2">Lognormality test and likelihood of sampling from normal (Gaussian) vs. lognormal distribution</li><li class="li ml-2 mb-2">Create QQ Plot as part of normality testing.</li><li class="li ml-2 mb-2">One sample t test or Wilcoxon test to compare the column mean (or median) with a theoretical value.</li><li class="li ml-2 mb-2">Identify outliers using Grubbs or ROUT method.</li><li class="li ml-2 mb-2"><span>Analyze a stack of P values, using Bonferroni multiple comparisons or the FDR approach to identify "significant" findings or discoveries.</span></li></ul><h4 class="heading heading-m my-3">Simple Linear Regression and Correlation</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Calculate slope and intercept with confidence intervals.</li><li class="li ml-2 mb-2">Force the regression line through a specified point.</li><li class="li ml-2 mb-2">Fit to replicate Y values or mean Y.</li><li class="li ml-2 mb-2">Test for departure from linearity with a runs test.</li><li class="li ml-2 mb-2">Calculate and graph residuals in four different ways (including QQ plot).</li><li class="li ml-2 mb-2">Compare slopes and intercepts of two or more regression lines.</li><li class="li ml-2 mb-2">Interpolate new points along the standard curve.</li><li class="li ml-2 mb-2">Pearson or Spearman (nonparametric) correlation.</li></ul><h4 class="heading heading-m my-3">Generalized Linear Models (GLMs)</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Generate models relating multiple independent variables to a single dependent variable using the new multiple variables data table.</li><li class="li ml-2 mb-2">Multiple linear regression (when Y is continuous).</li><li class="li ml-2 mb-2">Poisson regression (when Y is counts; 0, 1, 2, …).</li><li class="li ml-2 mb-2">Logistic regression (when Y is binary; yes/no, pass/fail, etc.).</li></ul><h4 class="heading heading-m my-3">Clinical (Diagnostic) Lab Statistics</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Bland-Altman plots.</li><li class="li ml-2 mb-2">Receiver operator characteristic (ROC) curves.</li><li class="li ml-2 mb-2">Deming regression (type ll linear regression).</li></ul><h4 class="heading heading-m my-3">Simulations</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Simulate XY, Column or Contingency tables.</li><li class="li ml-2 mb-2">Repeat analyses of simulated data as a Monte-Carlo analysis.</li><li class="li ml-2 mb-2">Plot functions from equations you select or enter and parameter values you choose.</li></ul><h4 class="heading heading-m my-3">Other Calculations</h4><ul class="ul ul-default"><li class="li ml-2 mb-2">Area under the curve, with confidence interval.</li><li class="li ml-2 mb-2">Transform data.</li><li class="li ml-2 mb-2">Normalize.</li><li class="li ml-2 mb-2">Identify outliers.</li><li class="li ml-2 mb-2">Normality tests.</li><li class="li ml-2 mb-2">Transpose tables.</li><li class="li ml-2 mb-2">Subtract baseline (and combine columns).</li><li class="li ml-2 mb-2">Compute each value as a fraction of its row, column or grand total.</li></ul></div></div></div></div></div></section><section class="available-on-os"><div class="grid-container available-on-os__container"><div class="grid-x justify-content-center"><div class="cell small-12 available-on-os__icon-container"><i class="wrapper-icon wrapper-icon-mac available-on-os__icon-container__icon"></i><i class="wrapper-icon wrapper-icon-windows available-on-os__icon-container__icon"></i></div></div><div class="grid-x available-on-os__body"><div class="cell small-12"><p class="text-l text-color-white text-center">Prism is available on Mac and Windows.</p></div></div></div></section></div></main><footer class="footer"><div class="grid-container"><div class="grid-x grid-margin-x grid-padding-x"><div class="cell large-12"><div class="footer__nav"><div class="grid-x grid-margin-x grid-padding-y"><div class="cell small-6 medium-auto large-auto"><div class="footer__nav-list_title">SCIENTIFIC SOFTWARE</div><ul class="footer__nav-list"><li class="footer__nav-list_item"><a href="/features" class="footer__nav-list_item-link">GraphPad Prism</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/demos/" class="footer__nav-list_item-link">Prism Free Trial</a></li><li class="footer__nav-list_item"><a href="/enterprise" class="footer__nav-list_item-link">Enterprise</a></li><li class="footer__nav-list_item"><a href="/customers" class="footer__nav-list_item-link">Prism Customers</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/scientific-software/instat/" class="footer__nav-list_item-link">InStat</a></li><li class="footer__nav-list_item"><a href="/features/power-analysis" class="footer__nav-list_item-link">StatMate</a></li></ul></div><div class="cell small-6 medium-auto large-auto"><div class="footer__nav-list_title">HOW TO BUY</div><ul class="footer__nav-list"><li class="footer__nav-list_item"><a href="//www.graphpad.com/how-to-buy/" class="footer__nav-list_item-link">Pricing</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/how-to-buy/student/" class="footer__nav-list_item-link">Student Pricing</a></li><li class="footer__nav-list_item"><a href="/free-course-licenses" class="footer__nav-list_item-link">Professor Course Licenses</a></li><li class="footer__nav-list_item"><a href="https://www.graphpad-prism.cn" class="footer__nav-list_item-link">GraphPad China</a></li></ul></div><div class="cell small-6 medium-auto large-auto"><div class="footer__nav-list_title">DATA ANALYSIS RESOURCES</div><ul class="footer__nav-list"><li class="footer__nav-list_item"><a href="//www.graphpad.com/quickcalcs/" class="footer__nav-list_item-link">QuickCalcs</a></li><li class="footer__nav-list_item"><a href="/resources" class="footer__nav-list_item-link">Product Tutorials</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/guides/prism/latest/statistics/" class="footer__nav-list_item-link">Statistics Guide</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/guides/prism/latest/curve-fitting/" class="footer__nav-list_item-link">Curve Fitting Guide</a></li><li class="footer__nav-list_item"><a href="/prism-academy" class="footer__nav-list_item-link">Prism Academy</a></li></ul></div><div class="cell small-6 medium-auto large-auto"><div class="footer__nav-list_title">HELP</div><ul class="footer__nav-list"><li class="footer__nav-list_item"><a href="//www.graphpad.com/support/" class="footer__nav-list_item-link">Support</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/guides/prism/latest/user-guide/" class="footer__nav-list_item-link">Prism User Guide</a></li></ul></div><div class="cell small-6 medium-auto large-auto"><div class="footer__nav-list_title">COMPANY</div><ul class="footer__nav-list"><li class="footer__nav-list_item"><a href="/company" class="footer__nav-list_item-link">About</a></li><li class="footer__nav-list_item"><a href="https://www.dotmatics.com/about-careers" class="footer__nav-list_item-link">Careers</a></li><li class="footer__nav-list_item"><a href="https://www.dotmatics.com/portfolio" class="footer__nav-list_item-link">Portfolio</a></li><li class="footer__nav-list_item"><a href="https://www.dotmatics.com" class="footer__nav-list_item-link">Dotmatics</a></li><li class="footer__nav-list_item"><a href="//www.graphpad.com/support" class="footer__nav-list_item-link">Contact</a></li></ul></div></div></div></div></div></div><div class="footer__copyright-v3"><div class="grid-container"><div class="grid-x grid-margin-x grid-padding-x align-items-center"><div class="cell small-12 medium-shrink"><div class="footer__logo-v3"><a href="//www.graphpad.com/" class="link--external logo-link"><img class="image logo" alt="GraphPad by Dotmatics" src="https://cdn.graphpad.com/assets/17.16.6/assets/images/graphpad/logo/logo-graphpad-white.svg"/></a></div></div><div class="cell medium-auto"><div class="footer__copyright-v3_text">© 2024 GraphPad Software. All rights reserved. <a href="//www.graphpad.com/company/terms" class="footer__copyright-v3_link">Terms and Conditions</a><span class="footer__copyright-v3_text-separate">|</span><a href="https://www.dotmatics.com/privacy-policy" class="footer__copyright-v3_link">Privacy Policy</a><span class="footer__copyright-v3_text-separate">|</span><a href="https://donotsell.dotmatics.com/hc/en-us/requests/new" class="footer__copyright-v3_link">Do Not Sell or Share My Personal Information</a></div></div></div></div></div></footer></div><script id="__NEXT_DATA__" type="application/json">{"props":{"authStatus":{"isAuthorized":false},"pageProps":{"container":null}},"page":"/features","query":{},"buildId":"5JsyC0XYPqWX8xIIo8x6E","assetPrefix":"https://cdn.graphpad.com/nextjs/0.0.1_2369","isFallback":false,"customServer":true,"gip":true,"appGip":true,"scriptLoader":[]}</script></body></html>