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Replacing Blanks with Zeroes in DAX

Chris Webb takes us from zero to blank in DAX:

My post from a few months ago about the dangers of DAX measures that never return blank attracted quite a lot of attention – this is a hot topic on the forums and adding zeros to measures is a common cause of memory errors in Power BI. In that post, though, I didn’t talk about what the best way to replace blanks with zeros is if you absolutely have no choice but to do so. One of the comments on that post mentioned that visual calculations is an option and this is something I hadn’t thought about before; now, after conversing with the Gods of DAX (no, not the Italians, I mean Akshai, Marius and Jeffrey!) and doing some testing I can reveal that Visual Calculations can be a good choice sometimes, while more traditional DAX approaches are fine at other times.

Read on to learn different techniques for doing this, as well as when they make sense to use.

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