Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback. ActiveWorkbook.Charts("Chart1").SeriesCollection(1).Trendlines.Add This example creates a new linear trendline on Chart1. If this argument is omitted, Microsoft Excel generates a name.Ī Trendline object that represents the new trendline. True to display the R-squared value of the trendline on the chart (in the same data label as the equation). True to display the equation of the trendline on the chart (in the same data label as the R-squared value). If this argument is omitted, the intercept is automatically set by the regression. The number of periods (or units on a scatter chart) that the trendline extends backward. That said a number of the options do give you the option to set the intercept which can help or change particular characteristics like power of the polynomial. The number of periods (or units on a scatter chart) that the trendline extends forward. IanHeath so the basic answer is that you can't input your own 'base' equation for excel to use for the trend line. The Excel TREND function calculates the linear trend line through a given. You can insert a linear trend line, a polynomial trendline, power trendline, exponential trendline, moving Average trendline. Must be an integer greater than 1 and less than the number of data points in the series you are adding a trendline to. In the Format Trendline pane, select the options to Display Equation on chart. There are different trendline options that are available.
Must be an integer from 2 to 6, inclusive. Add ( Type, Order, Period, Forward, Backward, Intercept, DisplayEquation, DisplayRSquared, Name)Įxpression A variable that represents a Trendlines object.
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