bsp;</td><td class="summaryTableInheritanceCol"><img src="../../../images/inheritedSummary.gif" alt="Inherited" title="Inherited" class="inheritedSummaryImage"></td><td class="summaryTableSignatureCol"><div class="summarySignature"><a href="../../../com/scottlogic/sparkline/sparklineClasses/SparklineBase.html#validateData()" class="signatureLink">validateData</a>():void</div><div class="summaryTableDescription">
         If the current render data cache is considered dirty then
         it updates the cache