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# How to Get R2 in Microsoft Excel

Microsoft Excel is a powerful tool for data analysis, and one of its key features is the ability to calculate R-squared (R2) values. R2 is essential for understanding the accuracy of your statistical models and how well your data fits a regression line. This guide will show you how to easily calculate R2 in Excel using simple steps and built-in functions.

## How to Get R2 in Microsoft Excel

Calculating the R-squared (R2) value in Microsoft Excel is a process that helps you assess the goodness of fit for your data in regression analysis. Follow these simple steps using Excel’s built-in functions to get the R2 value:

• ### Step 1. Input Your Data

Enter your data into two columns in Excel. Label one column as the independent variable (X) and the other as the dependent variable (Y).

• ### Step 2. Select the Data

Highlight the data you have entered, including the column labels.

• ### Step 3. Insert a Scatter Plot

Go to the “Insert” tab on the Ribbon. In the “Charts” group, click “Scatter” and select “Scatter with only Markers” to create a scatter plot of your data.

• ### Step 4. Select ‘Add Trendline’

Click on any data point in the scatter plot to highlight the series. Then, right-click and select “Add Trendline” from the context menu.

• ### Step 5. Display the R2 Value

In the “Format Trendline” pane, check the box that says “Display R-squared value on chart.” Excel will automatically calculate and display the R2 value on the chart.

You may also find valuable insights in the following articles offering tips for Microsoft Excel:

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## FAQs

### How do I calculate R2 in Excel?

Use the “Add Trendline” feature and check “Display R-squared value on chart.”

### Can I get R2 without a chart in Excel?

Yes, use the RSQ function with your data range.

### What is the formula for R2 in Excel?

The RSQ function calculates R2: “=RSQ(known_y’s, known_x’s).”

### Do I need to install any add-ins to calculate R2 in Excel?

No, R2 calculation is a built-in feature in Excel.

### Why is my R2 value not displaying on the chart?

Ensure you have selected “Display R-squared value on chart” in the trendline options.