Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
From | Nick Cox <njcoxstata@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: Bar graph with IQR bars |
Date | Wed, 28 Dec 2011 13:27:12 +0000 |
Juan's interest in plotting medians with IQRs does sound to me like interest in box plots. In addition to -graph box-, check out -dotplot- and -stripplot- (SSC). Nick On Wed, Dec 28, 2011 at 7:57 AM, Lars Folkestad <lfolkestad@health.sdu.dk> wrote: > There are a couple of things to consider. > Firstly is the plot you want the best for your needs? > A lot of people on this list (The gurus if you like) dislikes these bar > plots with error bars: > Here is why: > http://biostat.mc.vanderbilt.edu/wiki/pub/Main/TatsukiKoyama/Poster3.pdf > > But if you insist on the bars than the solution is here: > http://www.ats.ucla.edu/stat/stata/faq/barcap.htm > > Where it sais: > generate hiwrite = meanwrite + invttail(n-1,0.025)*(sdwrite / sqrt(n)) > generate lowrite = meanwrite - invttail(n-1,0.025)*(sdwrite / sqrt(n)) > > > You should write > . Generate 75IQRvar1 = the value you found using summarize , d > . Generate 25IQRvar1 = the value you found using summarize , d Den 27/12/11 23.23 skrev "Dirk Enzmann" <dirk.enzmann@uni-hamburg.de>: >>Juan wrote: >>http://www.hsph.harvard.edu/cgi-bin/lwgate/STATALIST/archives/statalist.11 >>12/date/article-877.html >> >>Perhaps using boxplots a better alternative, see -graph 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/