xlsgen > overview > Chart trend lines

The chart trend lines are optional lines attached to an arbitrary series of values which help identify a trend.

A trend line is accessed from a series object thanks to the TrendLine property. Here are the following properties of trend line interface :

• Common options.
• Type of regression algorithm. While the linear regression is the most obvious, all other regression algorithms are exposed.
• Ability to customize the title of the associated legend entry.
• Change trend line options including backward/forward forecast, intercept value, display equation and so on.