QBPLOT: Stata module for quantile plot with box flavour

Nicholas Cox

Statistical Software Components from Boston College Department of Economics

Abstract: qbplot is a dedicated pedagogic or propaganda command with the aim of showing that a quantile plot can convey all the key information given by a box plot showing median and quartiles. Indeed, it can convey much more. The main part of the display is a scatter plot showing ordered values against the so-called plotting positions. On the vertical axis, the values of the minimum, maximum, median and quartiles are shown as axis labels. The median and quartiles are connected using horizontal and vertical line segments to plotting positions 0.25, 0.5, 0.75 on the horizontal axis. These segments may be extended mentally to imagine a conventional box showing median and quartiles, as in most variations of box plots.

Language: Stata
Requires: Stata version 8.2
Keywords: quantiles; box plot; graphics; distributions (search for similar items in EconPapers)
Date: 2024-08-19
Note: This module should be installed from within Stata by typing "ssc install qbplot". 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/qbplot.ado program code (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qbplot.sthlp help file (text/plain)
http://fmwww.bc.edu/repec/bocode/q/qbplot_test.do sample do-file (text/plain)

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