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Customize Data, Add Series to Existing Line

You can create a customized formula to combine two series on one graph line.

To do so, above the graph, click the “EDIT GRAPH” button.

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In the pop-up box that appears, click the “EDIT LINE” tab. (If you have more than one line on the graph, click the “EDIT LINE” drop-down menu and select the line [series] you want to add another series to.) Under “Customize data,” click the text box and type keywords for the series you want to add.

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A list of the most popular suggestions will appear. Select the series you want to add and click the “Add” button.

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The title of the added series will appear in the “EDIT LINE” tab of the series you are adding to. Before each series title there is a letter in parentheses. Use these letters as the variables in your formula to indicate the given series.

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In the text field next to “Formula,” type your formula and then click the “Apply” button.

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The graph will update automatically and apply the formula.

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Posted in Frequently Asked Questions, How can I customize a FRED graph?
FRED Economic Data | St. Louis Fed


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