Chart type | Reason for using optional Y grouping |
Bar, cone, line, pyramid, tube | To summarize data into multiple sets of risers in the chart. |
Area, difference | To summarize data into multiple areas in the chart. |
Bubble | To identify bubbles using the legend. |
Meter | To plot multiple meters. |
Alternate meter subtype | To plot multiple dials. |
Pie | To plot multiple pies. |
Scatter | To plot multiple (x-y) value pairs. |
Stock | To plot multiple sets of candlesticks. |