Cleverly using Excel to generate fitting functions

Mar 26, 2023343

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This article explains how to use Excel to generate a fitted function. The steps include inputting data into a spreadsheet, selecting the data range, inserting a scatter plot with a trendline, and displaying the equation and R-squared value of the fitted line.

Clever Use of Excel to Generate Fitting Functions#

Methods for fitting a line in Excel:

Enter the data in the spreadsheet, with X values in the left column and Y values in the right column. Then, select the data range.

In the toolbar, select "Insert" - "Chart", and choose a scatter plot with a line and data markers. This will display a line graph.

Right-click on the line and select "Add Trendline" from the options.

In the small window that pops up on the right, select "Linear". Scroll down the progress bar and choose "Display Equation" - "Display R-squared value" to show the fitted equation.