QQPLOTG: Stata module to draw quantile-quantile plots, generalized to allow groups and plotting difference vs mean

Nicholas Cox

Statistical Software Components from Boston College Department of Economics

Abstract: qqplotg plots the quantiles of one distribution against the quantiles of another distribution. It is a generalization of official command qqplot. There are two syntaxes. In the first, emulating qqplot, the two distributions are given by the values of two variables, varname1 and varname2. In the second, the distributions are given by the values of varname for two distinct groups of groupvar. Optionally, the distributions may be plotted as differences between corresponding quantiles versus their means.

Language: Stata
Requires: Stata version 8.2
Keywords: graphics; distributions; quantiles; qqplot (search for similar items in EconPapers)
Date: 2022-12-12, Revised 2024-01-12
Note: This module should be installed from within Stata by typing "ssc install qqplotg". The module is made available under terms of the GPL v3 (https://www.gnu.org/licenses/gpl-3.0.txt). Windows users should not attempt to download these files with a web browser.
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http://fmwww.bc.edu/repec/bocode/q/qqplotg.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qqplotg.sthlp help file (text/plain)

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