how to get the equation of the trendline in excel

It can be worked around in the following manner:ġ. Create a new chart in Excel and add a trendline.Ģ. Add the Equation or the R-Square: Select the trendline then right-click the trendline or choose Format>Selected Trendline from the menu.ģ. Now simply open the workbook with ExcelApplication.Open, retrieve the trendline and program it any way you like (Including changing the trendline regression type or value or show/hide the Equation or R-Squared value): Trendline trend = oSeries.Trendlines //now this will work trend. This issue persists for the BIFF (XLS) file format. This issue has been resolved for charts in the OOXML file format (XLSX, XLSM) as part of implementing OOXML support for ExcelApplication in OfficeWriter v8.0. From that point on you can programmatically change the label as you like using the properties. The order of the polynomial can be determined by the number of fluctuations in the data or by how many bends (hills and valleys) appear in the curve.

It is useful, for example, for analyzing gains and losses over a large data set. However, if you open, with ExcelApplication, an existing workbook which already has a Trendline label these properties will work properly. A polynomial trendline is a curved line that is used when data fluctuates.

Setting these properties to true does not seem to have any effect and the label is not shown. The Trendline object has the properties to ShowEquation and ShowRSquaredValue. Trendlines can also be created as objects in ExcelApplication through the Series of a Chart. It is possible, in Excel, to add a label to a trendline of a chart that shows the Equation or the R-squared value of the trendline like in the image below: You can hover over the trendline to see the equation calculated by Google Charts: 4.885 times the diameter + 0.730.

How to get the equation of the trendline in excel