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From |
"Nick Cox" <n.j.cox@durham.ac.uk> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: RE: Re: Re: Displaying mean in boxplot |

Date |
Sun, 12 Oct 2008 19:05:30 +0100 |

Example of orthodox box plot follows. N.B. that this requires prior installation of -egenmore- from SSC. sysuse auto, clear egen adju = adju(mpg), by(foreign) egen adjl = adjl(mpg), by(foreign) egen loq = pctile(mpg), by(foreign) p(25) egen upq = pctile(mpg), by(foreign) p(75) stripplot mpg, /// over(foreign) ms(none) box(bfcolor(ltblue)) yla(, noticks) pstyle(p1) /// addplot(rcap adjl adjl foreign, horizontal pstyle(p1) /// || rcap adju adju foreign, horizontal pstyle(p1) /// || rspike upq adju foreign, horizontal pstyle(p1) /// || rspike loq adjl foreign, horizontal pstyle(p1) /// || scatter foreign mpg if !inrange(mpg, adjl, adju), mcolor(navy) /// || scatter foreign mean, ms(D) mcolor(navy) msize(*2)) Nick n.j.cox@durham.ac.uk Nick Cox One way to do this through marker symbols, as requested, is through -stripplot- from SSC. sysuse auto, clear egen mean = mean(mpg), by(foreign) stripplot mpg, over(foreign) box stack centre height(0.2) ms(sh) addplot(scatter foreign mean, ms(Dh) msize(*3)) With more work, you can come arbitrarily close to more conventional forms of the box plot. Nick n.j.cox@durham.ac.uk Martin Weiss Admittedly, my earlier solution did not give you the dot you were looking for, but a reference line. If you have Stata 10, fire up the graph editor afterwards, use the -add marker- tool and place the marker onto the reference line. Then highlight the reference line and kill it... If -gr box- were part of the -twoway- family of graphs, one could imagine overlaying it with a -scatteri- to get the mean onto the graph more reliably than this... Martin Weiss > ********** > sysuse auto, clear > su price, mean > graph box price, box(1, fcolor(none)) yline(`r(mean)') > ********** Aca N.T. >> Does anyone know how to put mean (preferably marked as dot) within the >> box using -gr box-? * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**st: Re: RE: RE: Re: Re: Displaying mean in boxplot***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**References**:**st: Displaying mean in boxplot***From:*"Aca N.T." <acant29@gmail.com>

**st: Re: Displaying mean in boxplot***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**st: Re: Re: Displaying mean in boxplot***From:*"Martin Weiss" <martin.weiss1@gmx.de>

**st: RE: Re: Re: Displaying mean in boxplot***From:*"Nick Cox" <n.j.cox@durham.ac.uk>

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