Trendline helps to know the general pattern or overall direction of the data in the chart widget. You can add more than one trendline to Cartesian charts except bar type series (Line, Column, Area, Spline) and stacked type of charts. You can add, edit, and delete trendlines.
You can see the trendlines option under the
properties tab of the applicable chart widgets.
To add trendline, click the highlighted button.
Now, the dialog will open as follows.
OK button to add trendline in combination chart.
Now, chart renders as follows.
To edit trendline, select the one to be edited and click the highlighted button.
Again, trendline dialog window opens now.
You can edit Trendline legend by
Legend Text text box. By default, Legend Text renders based on Line type and Series name.
You can change the series that shows the trendline by Series drop-down option.
You can select line type by Line Type drop-down option (
Linear, Exponential, Logarithmic, Power, and Polynomial).
You can change color of trendline by
Line Color color picker.
You can change the style of trendline by Line Style drop-down option (
Solid, Dot, Dash, DotDash, LongDash, and LongDashDotDot).
To delete trendline, select the one to be deleted and click the highlighted button.