Speaking Stata: Compared with

Nicholas Cox

Stata Journal, 2011, vol. 11, issue 2, 305-314

Abstract: Many problems in data management center on relating values to values in other observations, either within a dataset as a whole or within groups such as panels. This column reviews some basic Stata techniques helpful for such tasks, including the use of subscripts, summarize, by:, sum(), cond(), and egen. Several techniques exploit the fact that logical expressions yield 1 when true and 0 when false. Dividing by zero to yield missings is revealed as a surprisingly valuable device. Copyright 2011 by StataCorp LP.

Keywords: data management; panels; subscripting; summarize; by; sum(); cond(); egen; logical expressions (search for similar items in EconPapers)
Date: 2011
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