</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">2D Chart for WinForms</div> <div id="PageTitle"><div id="PageTitleText">Regression Statistics</div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel">Collapse All</label> <label id="ExpandAllLabel" style="display: none;">Expand All</label> </span> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="chartingdata.html">Charting Data</a> > <a href="workingwithtrendline.html">Working with TrendLines</a> > <a href="regressiontrendlines.html">Regression TrendLines</a> > Regression Statistics</td></tr></table></div> <div id="BodyContent"> <p>The <a href="C1.Win.C1Chart.4~C1.Win.C1Chart.TrendLine~RegressionStatistics.html">RegressionStatistics</a> property returns a <a href="C1.Win.C1Chart.4~C1.Win.C1Chart.RegressionStatistics.html">RegressionStatistics</a> object that contains the statistical results of a regression model. When a trend line is not regressive or the solution of a regression does not exist for current data, the <b>RegressionStatistics</b> property returns Nothing (VB) or null (C#).</p> <p>The following table defines the values used in statistical equations:</p> <table style="width: 44.65%; height: 221px;"> <tbody> <tr> <th><b>Value</b></th> <th><b>Definition</b></th> </tr> <tr> <td>n</td> <td>Number of points.</td> </tr> <tr> <td>nt</td> <td>Number of regression coefficients.</td> </tr> <tr> <td>x values</td> <td><img border="0" alt="" src="ImagesExt/image9_158.png"></td> </tr> <tr> <td>y values</td> <td><img border="0" alt="" src="ImagesExt/image9_159.png"></td> </tr> <tr> <td>mean y value</td> <td><img border="0" alt="" src="ImagesExt/image9_160.png"></td> </tr> <tr> <td>Fitted y values</td> <td><img border="0" alt="" src="ImagesExt/image9_161.png"></td> </tr> </tbody> </table> <p>The following table displays the name, description, and formula for each member in the RegressionStatistics object:</p> <table> <tbody> <tr> <th><b>Name</b></th> <th><b>Description</b></th> <th><b>Formula</b></th> <th>Formula(UseYIntercept=true)</th> </tr> <tr> <td>Ssr</td> <td>The sum of squares due to regression</td> <td><img border="0" alt="" src="ImagesExt/image9_162.png"></td> <td><img border="0" alt="" src="ImagesExt/image9_163.png"></td> </tr> <tr> <td>Sse</td> <td>The sum of squares due to error</td> <td><img border="0" alt="" src="ImagesExt/image9_164.png"></td> <td><img border="0" alt="" src="ImagesExt/image9_164.png"></td> </tr> <tr> <td>Rsq</td> <td>The coefficient of determination (R-squared)</td> <td><img border="0" alt="" src="ImagesExt/image9_165.png"></td> <td><img border="0" alt="" src="ImagesExt/image9_165.png"></td> </tr> <tr> <td>DF</td> <td>The degrees of freedom</td> <td><img border="0" alt="" src="ImagesExt/image9_166.png"></td> <td><img border="0" alt="" src="ImagesExt/image9_167.png"></td> </tr> <tr> <td>F</td> <td>The F-observed(F-statistic) value</td> <td><img border="0" alt="" src="ImagesExt/image9_168.png"></td> <td><a id="OLE_LINK11" name="OLE_LINK11"></a><a id="OLE_LINK10" name="OLE_LINK10"></a><a id="OLE_LINK9" name="OLE_LINK9"><img border="0" alt="" src="ImagesExt/image9_169.png"></a></td> </tr> </tbody> </table> <a name="seealsobookmark"></a> <div class="SectionHeading" id="seealsoSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">See Also</span></div><div id="seealsoSectionContent" class="SectionContent"><div class="SeeAlsoLink"> <a href="customtrendline.html">Custom TrendLine</a></div> </div> </div> <div id="FooterContent"> <p> </p><p> </p><hr style="height: 1px"><p>Copyright (c) <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. All rights reserved. <script> $(document).ready(function() { if (!(window.self !== window.top)) { // Not running in a frameset // Get the page name var pageName = location.href.substring(location.href.lastIndexOf("/") + 1); if (pageName.indexOf("#") != -1) { pageName = pageName.substring(0, pageName.indexOf("#")); } // Append to webframe.html var framePage = "webframe.html#" + pageName; location.href = framePage; } }); </script></p> <a target="_blank" href="http://our.componentone.com/groups/">Product Support Forum</a> | <a target="_blank" href="http://feedback.componentone.com/forums/255782-winforms-documentation">Documentation Feedback</a> </div> </body> </html>