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ADJACENT: Stata module to list adjacent values of variables

Nicholas Cox ()

Statistical Software Components from Boston College Department of Economics

Abstract: adjacent lists adjacent values for a set of numeric variables. Calculate the upper and lower quartiles, p75 and p25, and thus the interquartile range iqr = p75 - p25. Then the adjacent values are the highest value not greater than p75 + 3/2 iqr and the lowest value not less than p25 - 3/2 iqr. The adjacent values are marked graphically on a box plot by the ends of the whiskers drawn out from each central box.

Language: Stata
Requires: Stata version 8.0
Keywords: adjacent values; box plots; quartiles; outliers (search for similar items in EconPapers)
Date: 2004-05-17
Note: This module should be installed from within Stata by typing "ssc install adjacent". Windows users should not attempt to download these files with a web browser.
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Handle: RePEc:boc:bocode:s439601