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//]]> </script> <form class='cocomo-form nomargin'> <fieldset style='margin-top: -10px;'> <h4 class='caption'>Project Cost Calculator</h4> <div class='control-group col-md-4'> <label class='control-label'>Include</label> <div class='controls chosen' id='value_select'> <select class='col-md-8 chzn-select value-select' id='cocomo_loc_dropdown'> <option class='selected' value='37733200'> All Code </option> <option value='25797350'>Logic Code Only</option> <option value='5794410'>Markup Only</option> <option value='173515'>Build Scripts Only</option> </select> </div> </div> <div class='control-group col-md-8'> <label class='control-label'>Average Salary (per year)</label> <div class='controls'> <div class='input-prepend input-append'> <span class='add-on'>$</span> <input class='margin-hack span2' id='cocomo_salary' type='text' value='55000'> <span class='add-on'>.00</span> </div> </div> </div> <div class='control-group col-md-4'> <label class='control-label'>Codebase Size</label> <div class='controls'> <span id='cocomo_loc'>31,765,275</span> lines </div> </div> <div class='control-group col-md-8'> <label class='control-label'>Estimated Effort</label> <div class='controls'> <span id='cocomo_years'>10406</span> person-years </div> </div> <div class='control-group col-md-4'> <label class='control-label'>Estimated Cost</label> <div class='controls'> $ <span id='cocomo_value'>572,340,136</span> * </div> </div> </fieldset> </form> <span style='margin-left:20px;'> *Using the <a href="https://en.wikipedia.org/wiki/COCOMO">Basic COCOMO Model</a> </span> </div> </div>  <div class='well col-md-4'> <h4 style='margin-bottom:0.8em;'>Estimate seems way too high?</h4> <p>Open Hub scans <i>all files</i> at any given code location to calculate the cost estimate.</p> <p>Open Hub lets you exclude files and direc-tories from this calculation on the <a href="/p/firefox/enlistments">Code Locations</a> page. You can get a more realistic estimate by excluding:</p> <ul class='nomargin'> <li>External dependencies or libraries</li> <li>Non-code files</li> </ul> </div> </div> <div class='col-md-12 about'> <h4 class='nomargin'> <span class='soft'>About</span> Cost Estimates </h4> <div class='row'> <div class='col-md-5'> <ul> <li>Software cost estimation is tricky business even when all the variables are known -- knowledge which we certainly don't have.</li> <li>We calculate the estimated cost of the project using the <a href="https://en.wikipedia.org/wiki/COCOMO">Basic COCOMO Model</a>.</li> <li class='coefficients'>For those familiar with the details, we are using coeffcients a=2.4 and b=1.05.</li> </ul> </div> <div class='col-md-5'> <ul> <li>Please note that COCOMO was created to model large institutional projects, which often don't compare well with distributed open-source projects.</li> <li>COCOMO is meant to include the design, specification drafting, reviewing and management overhead that goes along with producing quality software.</li> <li>This model seems to be most accurate with mature, large projects. 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