ChartAxis.getClusteredSize Method
        
 Gets the size relative to the axis length available to a data point series within a cluster of series around X axis values.
 
         
        Parameters
        
            - series
            
 
            - 
                
Type: ChartSeries 
            - removeGap
            
 
            - 
                
Type: Boolean
True to return a size without any gap, regardless of series properties.
Optional: True 
        
        Return Value
        
Type: Number - May be null
The size available to the clustered series as a decimal; or null if not an X axis.