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</div> </header> <div id="main" class=" main"> <div id="loop-meta" class=" loop-meta-wrap pageheader-bg-default loop-meta-withtext"> <div class="hgrid"> <div class=" loop-meta archive-header hgrid-span-12" itemscope="itemscope" itemtype="https://schema.org/WebPageElement"> <h1 class=" loop-title entry-title archive-title" itemprop="headline">PredPol</h1> <div class=" loop-description archive-description" itemprop="text"> <p>The PredPol algorithm predicts crime levels in grid locations, one day ahead, and flags “hotspots” for extra policing. </p> </div> </div> </div> </div> <div class="hgrid main-content-grid"> <main id="content" class="content hgrid-span-8 has-sidebar layout-wide-right " role="main"> <div id="content-wrap" class=" content-wrap theiaStickySidebar"> <div id="archive-wrap" class="archive-wrap"> <article id="post-720" class="entry author-uwhitcher post-720 post type-post status-publish format-standard has-post-thumbnail category-2 category-ursula-whitcher tag-machine-learning tag-predictive-policing tag-predpol archive-block archive-block2 hcolumn-1-2" itemscope="itemscope" itemtype="https://schema.org/BlogPosting" itemprop="blogPost"> <div class="entry-grid hgrid"> <div itemprop="image" itemscope itemtype="https://schema.org/ImageObject" class="entry-featured-img-wrap"><meta itemprop="url" content="https://i0.wp.com/mathvoices.ams.org/featurecolumn/wp-content/uploads/sites/2/2022/03/cropped-cropped-mathvoices-banner-feat-col-1.png?resize=690%2C279&ssl=1"><meta itemprop="width" content="690"><meta itemprop="height" content="279"><a href="https://mathvoices.ams.org/featurecolumn/2020/07/01/fc-2020-07/" class="entry-featured-img-link"><img width="690" height="279" src="https://i0.wp.com/mathvoices.ams.org/featurecolumn/wp-content/uploads/sites/2/2022/03/cropped-cropped-mathvoices-banner-feat-col-1.png?resize=690%2C279&ssl=1" class="attachment-hoot-large-thumb entry-content-featured-img entry-grid-featured-img wp-post-image" alt="Banner for the AMS Feature Column" itemscope="" decoding="async" fetchpriority="high" itemprop="image" /></a></div> <div class="entry-grid-content"> <header class="entry-header"> <h2 class="entry-title" itemprop="headline"><a href="https://mathvoices.ams.org/featurecolumn/2020/07/01/fc-2020-07/" rel="bookmark" itemprop="url">Quantifying Injustice</a></h2> </header> <div class="screen-reader-text" itemprop="datePublished" itemtype="https://schema.org/Date">2020-07-01</div> <div class="entry-byline"> <div class="entry-byline-block entry-byline-author"> <span class="entry-byline-label">By:</span> <span class="entry-author" itemprop="author" itemscope="itemscope" itemtype="https://schema.org/Person"><a href="https://mathvoices.ams.org/featurecolumn/author/uwhitcher/" title="Posts by Ursula Whitcher" rel="author" class="url fn n" itemprop="url"><span itemprop="name">Ursula Whitcher</span></a></span> </div> <div class="entry-byline-block entry-byline-date"> <span class="entry-byline-label">On:</span> <time class="entry-published updated" datetime="2020-07-01T18:02:13-04:00" itemprop="datePublished" title="Wednesday, July 1, 2020, 6:02 pm">July 1, 2020</time> </div> <div class="entry-byline-block entry-byline-cats"> <span class="entry-byline-label">In:</span> <a href="https://mathvoices.ams.org/featurecolumn/category/2020/" rel="category tag">2020</a>, <a href="https://mathvoices.ams.org/featurecolumn/category/columnists/ursula-whitcher/" rel="category tag">Ursula Whitcher</a> </div> <div class="entry-byline-block entry-byline-tags"> <span class="entry-byline-label">Tagged:</span> <a href="https://mathvoices.ams.org/featurecolumn/tag/machine-learning/" rel="tag">Machine learning</a>, <a href="https://mathvoices.ams.org/featurecolumn/tag/predictive-policing/" rel="tag">Predictive policing</a>, <a href="https://mathvoices.ams.org/featurecolumn/tag/predpol/" rel="tag">PredPol</a> </div> <div class="entry-byline-block entry-byline-comments"> <span class="entry-byline-label">With:</span> <a href="https://mathvoices.ams.org/featurecolumn/2020/07/01/fc-2020-07/#respond" class="comments-link" itemprop="discussionURL">0 Comments</a> </div><span class="entry-publisher" itemprop="publisher" itemscope="itemscope" itemtype="https://schema.org/Organization"><meta itemprop="name" content="Feature Column"><span itemprop="logo" itemscope itemtype="https://schema.org/ImageObject"><meta itemprop="url" content=""><meta itemprop="width" content=""><meta itemprop="height" content=""></span></span></div> <div class="entry-summary" itemprop="description"><p>Just as a YouTube algorithm might recommend videos with more and more extremist views, machine learning techniques applied to crime data can magnify existing injustice. … Ursula Whitcher AMS | Mathematical Reviews, Ann Arbor, Michigan What is predictive policing? Predictive policing is a law enforcement technique in which officers choose<span class="more-link"><a href="https://mathvoices.ams.org/featurecolumn/2020/07/01/fc-2020-07/">Read More →</a></span></p> </div> </div> </div> </article></div><div class="clearfix"></div> </div> </main> <aside id="sidebar-primary" class="sidebar sidebar-primary hgrid-span-4 layout-wide-right " role="complementary" itemscope="itemscope" itemtype="https://schema.org/WPSideBar"> <div class=" sidebar-wrap theiaStickySidebar"> <section id="search-2" class="widget widget_search"><div class="searchbody"><form method="get" class="searchform" action="https://mathvoices.ams.org/featurecolumn/" ><label class="screen-reader-text">Search</label><i class="fas fa-search"></i><input type="text" class="searchtext" name="s" placeholder="Type Search Term …" value="" /><input type="submit" class="submit" name="submit" value="Search" /><span class="js-search-placeholder"></span></form></div></section><section id="blog_subscription-2" class="widget widget_blog_subscription jetpack_subscription_widget"><h3 class="widget-title"><span>Subscribe to Feature Column via Email</span></h3> <div class="wp-block-jetpack-subscriptions__container"> <form action="#" method="post" accept-charset="utf-8" id="subscribe-blog-blog_subscription-2" data-blog="202620863" data-post_access_level="everybody" > <div id="subscribe-text"><p>Enter your email address to subscribe to Feature Column and receive notifications of new posts by email.</p> </div> <p id="subscribe-email"> <label id="jetpack-subscribe-label" class="screen-reader-text" for="subscribe-field-blog_subscription-2"> Email Address </label> <input type="email" name="email" required="required" value="" id="subscribe-field-blog_subscription-2" placeholder="Email Address" /> </p> <p id="subscribe-submit" > <input type="hidden" name="action" value="subscribe"/> <input type="hidden" name="source" value="https://mathvoices.ams.org/featurecolumn/tag/predpol/"/> <input type="hidden" name="sub-type" value="widget"/> <input type="hidden" name="redirect_fragment" value="subscribe-blog-blog_subscription-2"/> <input type="hidden" id="_wpnonce" name="_wpnonce" value="b26dba1577" /><input type="hidden" name="_wp_http_referer" value="/featurecolumn/tag/predpol/" /> <button type="submit" class="wp-block-button__link" name="jetpack_subscriptions_widget" > Subscribe </button> </p> </form> </div> </section><section id="block-3" class="widget widget_block"><div class="wp-block-group"><div class="wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow"><h2 class="wp-block-heading">Recent Posts</h2><ul class="wp-block-latest-posts__list wp-block-latest-posts"><li><a class="wp-block-latest-posts__post-title" href="https://mathvoices.ams.org/featurecolumn/2024/11/01/strung-out-on-automorphic-forms/">Strung Out on Automorphic Forms</a></li> <li><a class="wp-block-latest-posts__post-title" href="https://mathvoices.ams.org/featurecolumn/2024/10/01/people-and-computers-compared/">People and Computers Compared</a></li> <li><a class="wp-block-latest-posts__post-title" href="https://mathvoices.ams.org/featurecolumn/2024/09/01/payoffs-and-strategies/">Payoffs and strategies</a></li> <li><a class="wp-block-latest-posts__post-title" href="https://mathvoices.ams.org/featurecolumn/2024/08/01/welcome-to-the-fold/">Welcome to the Fold</a></li> <li><a class="wp-block-latest-posts__post-title" href="https://mathvoices.ams.org/featurecolumn/2024/07/01/looking-ahead/">Looking ahead</a></li> </ul></div></div></section><section id="categories-2" class="widget widget_categories"><h3 class="widget-title"><span>Categories</span></h3> <ul> <li class="cat-item cat-item-2"><a href="https://mathvoices.ams.org/featurecolumn/category/2020/">2020</a> </li> <li class="cat-item cat-item-3"><a href="https://mathvoices.ams.org/featurecolumn/category/2021/">2021</a> </li> <li class="cat-item cat-item-4"><a href="https://mathvoices.ams.org/featurecolumn/category/2022/">2022</a> </li> <li class="cat-item cat-item-112"><a href="https://mathvoices.ams.org/featurecolumn/category/2023/">2023</a> </li> <li class="cat-item cat-item-147"><a href="https://mathvoices.ams.org/featurecolumn/category/2024/">2024</a> </li> <li class="cat-item cat-item-5"><a href="https://mathvoices.ams.org/featurecolumn/category/columnists/adam-a-smith/">Adam A. 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