Problems Caused by Categorizing Continuous Variables

I just came across this great article by Frank Harrell:  Problems Caused by Categorizing Continuous VariablesStage 2

It’s from the Vanderbilt University biostatistics department, so the examples are all medical, but the points hold for any field.

It goes right along with my recent post, Continuous and Categorical Variables: The Trouble with Median Splits.


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