| GroupBarPlot | BarPlot | 
| GroupBarPlot() | 
$b1 = new BarPlot(...);
$b2 = new BarPlot(...);
$gb = new GroupBarPlot(array($b1,$b2));
...
$graph->Add($gb);
...
Each individual bar can be either a BarPlor or an AccBarPlot.
 
   
| Argument | Default | Description | 
|---|---|---|
| $plots | Array of individual plots | 
Example