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

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

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

Date |
Mon, 13 Oct 2008 10:01:46 +0100 |

The second example, like the first, requires that -mean- exists as a variable first, e.g. from egen mean = mean(mpg), by(foreign) Thanks to Martin for the correction. Nick n.j.cox@durham.ac.uk Aca N.T. Thanks Nick, it works well. I didnt get any error message as Martin did.. On Mon, Oct 13, 2008 at 5:12 AM, Martin Weiss <martin.weiss1@gmx.de> wrote: > Is "mean" defined somewhere in this code? I get "r(111)" "variable mean not > found"... "Nick Cox" <n.j.cox@durham.ac.uk> >> 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 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. 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... >> >>> ********** >>> 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/

**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>

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

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

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

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