Null is always a common issue that we have in our real time data and we may want to replace it in different ways depending on our data and the type of analysis that we are doing. If we do not take care of the nulls in the data then we may face issues at the time of writing DAX in Power Bi and the final measure like Totals, Averages, Mean, Median etc. will not give us exact results. So, it is always advised to first treat null values in the data and then go for any sort of calculations that we need for our analysis.
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