Clicking the links below will lead you to important information about stacked spline charts:
About Stacked Spline Charts — Gives you a brief description of stacked spline charts, and explains why you would want to use them.
Working with Stacked Spline Chart Data — Provides information on the type of data necessary to generate stacked spline charts (e.g., number of numeric columns), as well as how data is mapped to it.
Stacked Spline Chart-Specific Properties — Provides a list of all the properties that are specific to stacked spline charts. These properties allow you to customize your chart.