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Month: January 2021

Zero vs. Missing

Posted on January 5, 2021 | by jonathanscallahan | Leave a Comment on Zero vs. Missing

On the left we have zero, our integer measure of nothingness.  On the right we have missing value, aka N/A, aka NA, our signal that the value of a datapoint is unknown. Everyone who deals with data has to deal with this important distinction.  And far too often people get it wrong.

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Posted in Uncategorized | Tagged data management

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