Speaking Stata: Tables as lists: From rounding to binning

Nicholas Cox

Stata Journal, 2018, vol. 18, issue 3, 741-754

Abstract: This is a basic review of how to bin variables in Stata, meaning how to divide their range or support into disjoint intervals. I survey rounding functions with emphasis on floor and ceiling functions as tools to get clearly defined intervals of equal width. Using a specific display format is usually a better idea than rounding to multiples of a fraction. Quantile binning is popular in several fields. I give tips and tricks on how to produce such bins and also on how to show their limitations. Experimentation with the display command or Mata is a good way to learn about functions and to test binning rules.

Keywords: binning; rounding; format; display; quantiles (search for similar items in EconPapers)
Date: 2018
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