Checking for Missing Data

First, you’ll need to determine how many people are in your dataset (and much missing data you’re dealing with).

I teach you how to use three formulas to scan for missing data:

  • =count() tells you how many cells contain numeric data
  • =countblank() tells you how many of those cells are empty
  • Then, use =sum() to make sure the =count() and =countblank() add up


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