_check_data of <a class="el" href="classChart_1_1Base.html" title="Base class for Chart; all other classes derived from here.">Chart::Base</a> and check the internal data to be displayed.  <a href="#a67af0ad77d0c1f4f74da434ceb9cf53c"></a><br/></td></tr>
<tr class="memitem:ae4eb768b4ef9d49dc0011bc3f49dab93"><td class="memItemLeft" align="right" valign="top">private&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classChart_1_1Composite.html#ae4eb768b4ef9d49dc0011bc3f49dab93">_split_dat