How to Run Regression Analysis in Microsoft Excel

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Regression analysis can be very helpful for analyzing large amounts of data and making forecasts and predictions. To run regression analysis in Microsoft Excel, follow these instructions.

Method 1
Method 1 of 2:

Make Sure Regression Analysis Is Supported On Your Excel

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    If your version of Excel displays the ribbon (Home, Insert, Page Layout, Formulas…)
    • Click on the Office Button at the top left of the page and go to Excel Options .
    • Click on Add-Ins on the left side of the page.
    • Find Analysis tool pack . If it’s on your list of active add-ins, you’re set.
      • If it’s on your list of inactive add-ins, look at the bottom of the window for the drop-down list next to Manage , make sure Excel Add-Ins is selected, and hit Go . In the next window that pops up, make sure Analysis tool pack is checked and hit OK to activate. Allow it to install if necessary.
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    • Go to Tools > Add-Ins .
    • Find Analysis tool pack . (If you don’t see it, look for it using the Browse function.)
      • If it’s in the Add-Ins Available box, make sure Analysis tool pack is checked and hit OK to activate. Allow it to install if necessary.
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    You can't do it without a different piece of software. This was by design since Microsoft does not like Apple.
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Method 2
Method 2 of 2:

Run Regression Analysis

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    You should have at least two columns of numbers that will be representing your Input Y Range and your Input X Range. Input Y represents the dependent variable while Input X is your independent variable.
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    • If your version of Excel displays the ribbon , go to Data , find the Analysis section, hit Data Analysis , and choose Regression from the list of tools.
    • If your version of Excel displays the traditional toolbar , go to Tools > Data Analysis and choose Regression from the list of tools.
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    In the Regression Analysis box, click inside the Input Y Range box. Then, click and drag your cursor in the Input Y Range field to select all the numbers you want to analyze. You will see a formula that has been entered into the Input Y Range spot.
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    Choose whether or not to display labels, residuals, residual plots, etc. by checking the desired boxes.
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    You can either select a particular output range or send the data to a new workbook or worksheet.
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    The summary of your regression output will appear where designated.
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Sample Regression Analyses

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  • Question
    What is the slope in a simple regression data?
    Community Answer
    The slope is the Beta variable B1 that is a coefficient of the independent variable X. Bo is a constant and the "intercept". Example, Y = Bo + B1X.
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  • Question
    How do I calculate standard error?
    Community Answer
    Step 1: Calculate the mean (Total of all samples divided by the number of samples). Step 2: Calculate each measurement's deviation from the mean (Mean minus the individual measurement). Step 3: Square each deviation from mean. Squared negatives become positive.
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  • Question
    How can I calculate the equation of a line in regression in Excel?
    Community Answer
    One quick way to do this is to arrange your X and Y variables in adjacent columns (X on the left), then select the two-column range and use the Insert/Scatterchart command to insert an X-Y scatterchart. Then right-click on the chart, choose Add Trendline from the drop-down menu, and then check the box for Display-Equation-on-Chart. Or, you could use some good software to fit the whole regression model. Try RegressIt, a free add-in (available at regressit-dot-com), It gives very detailed and well-designed output, and among other things it will show the equation for any number of independent variables. Just click the "Show All" button after fitting a model.
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        Jan 10, 2017

        "I have activated Excel on my laptop using the step-by-step procedures given, and am able to do analysis now."
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