Speaking Stata: The statsby strategy
Nicholas J. Cox
Department of Geography
Durham University
Durham City, UK
[email protected]
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Abstract. The statsby command collects statistics from a command yielding
r-class or e-class results across groups of observations and yields a new
reduced dataset. statsby is commonly used to graph such data in
comparisons of groups; the subsets and total options of
statsby are particularly useful in this regard. In this article, I
give examples of using this approach to produce box plots and plots of
confidence intervals.
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Nicholas J. Cox
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statsby, graphics, groups, comparisons, box plots, confidence intervals
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