To change the connection function
main topic      examples 

1    Double-click the connect line. See Selecting groups and single items.

2    Click the Options (time series plot, interval plot, and boxplot) or Connect Options (bar chart) tab.

3    Under Connection Function, choose one of the following:

·    Straight to connect points with straight lines, then fill the area underneath.

·    Step to connect points using a step pattern. Choose Left to make steps with each point at the left of a step level, Center to put each point in the middle of the step level (the default), or Right to put each point at the right of the step level.

4    Click OK.