* @return - the <code>Double</code> , the value or <code>null</code>, if the attribute is not set and no default value defined.
*/
public Double getChartErrorMarginAttribute() {
ChartErrorMarginAttribute attr = (ChartErrorMarginAttribute) getOdfAttribute(OdfDocumentNamespace.CHART, "error-margin");
if (attr != null) {
return Double.valueOf(attr.doubleValue());
}
return null;
}
/**