QENV: Stata module to generate quantile envelopes for quantile-quantile plots

Maarten Buis and Nicholas Cox

Statistical Software Components from Boston College Department of Economics

Abstract: This package contains programs that each generate two numeric variables for later plotting on a quantile-quantile plot that define an envelope of low and high expectations for each quantile given repeated sampling from a specified distribution with the same number of values and same parameter values as the data specified. The programs are helper programs designed for use with qplot, which must be installed separately. (Type findit qplot to get references and code sources.) The package includes qenvnormal and qenvgamma.

Language: Stata
Requires: Stata version 9 (10.1 for qenvgamma) and qplot from SJ
Keywords: quantile-quantile plots; qqplot; probability plot; normal distribution; gamma distribution (search for similar items in EconPapers)
Date: 2012-03-21, Revised 2013-02-14
Note: This module should be installed from within Stata by typing "ssc install qenv". 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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Downloads: (external link)
http://fmwww.bc.edu/repec/bocode/q/qenvnormal.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvnormal.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvgamma.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvgamma.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvnormal.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenv_ex.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenv_sim_beta.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenv_simFile-UR ... ec/bocode/_/chi2.ado program code (text/plain)
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http://fmwww.bc.edu/repec/bocode/q/qenv_sim_F.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvbeta.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvchi2.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvF.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvbeta.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvchi2.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenvF.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/l/lqenv9.mlib Mata object library (application/x-stata)
http://fmwww.bc.edu/repec/bocode/l/lqenv10.mlib Mata object library (application/x-stata)
http://fmwww.bc.edu/repec/bocode/q/qenv_mata9.do Mata code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qenv_mata10.do Mata code (text/plain)

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