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Use variables to improve performance and troubleshooting

Wednesday, April 7th, 2021

Welcome to your Use variables to improve performance and troubleshooting

Questions are based on this module

If the same expression is repeated multiple times in a calculation

A variables can make result in better performance because they will avoid having the same expression calculated multiple times

Power BI will detect this and only calculate it once

Benefits of variables include [select all that apply]

Improved performance

Improved appearance of reports

Improved readability

Improved debugging

Variables help simplify the task of troubleshooting your DAX calculation by evaluating each variable separately and by recalling them after the ______ expression.

ASSIGN

=

RETURN

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About the Author: Lukas Halim

I earned a Masters in Analytics from NC State in 2013 and now work as a data analyst in the health insurance industry. Using tools such as SAS, Tableau, and Teradata, I conduct analysis to help my company improve healthcare affordability and customer engagement.

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