Combined Chart is a special form of Vertical Bar Chart that displays information in such a way that priorities for process improvement can be established. A Combine Java Chart from the ElegantJ Charts Library can show the relative importance of all the data and can be used to direct efforts to the largest improvement opportunity by highlighting the
"vital few" in contrast to the "many others".
For the Combined chart, the following statistics can be calculated:
Sum: The sum value in the series.
Count: The count value in the series.
Valid Count: The valid count value in the series.
Average: The average value in the series.
Valid Average: The valid average value in the series.
