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From | Donald Spady <dspady@ualberta.ca> |
To | Statalist Statalist <statalist@hsphsun2.harvard.edu> |
Subject | Re: st: graphing median values against time |
Date | Sun, 30 Mar 2014 16:51:18 -0600 |
Timothy I am using your -lgraph- command and wonder if it is possible to have TWO stats created (e.g. mean and median) for the same variable(s) at the same time. I want to plot both mean and median and cannot create an overlay to do so. Many thanks Don On Mar 28, 2014, at 1:29 AM, Timothy Mak <tshmak@hku.hk> wrote: > The command -lgraph- that I wrote is for exactly this kind of problem if you don't want to create all the variables before plotting a graph. > You can see it by typing: > ssc des lgraph > > Tim > > -----Original Message----- > From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Donald Spady > Sent: 28 March 2014 08:59 > To: Statalist Statalist > Subject: Re: st: graphing median values against time > > Nick > It works. Just as I needed. Many thanks. > John: That suggestion didn't work the way I wanted it to, but thanks for the idea. > > Don > On Mar 27, 2014, at 5:48 PM, Nick Cox <njcoxstata@gmail.com> wrote: > >> Sure. If you use -egen-'s -median()- and -mean()- functions to get the >> variables you want, then it's any graph you want. >> >> As the median and mean values are repeated, don't plot them repeatedly. >> >> Here are some dopey examples. >> >> . webuse grunfeld >> >> . egen median = median(invest), by(year) >> >> . egen mean = mean(invest), by(year) >> >> . egen tag = tag(year) >> >> . line mean median year if tag >> >> For finer subdivisions, just use more variables as arguments to -by()-. >> >> Nick >> njcoxstata@gmail.com >> >> >> On 27 March 2014 22:34, Donald Spady <dspady@ualberta.ca> wrote: >>> Dear all >>> I want to graph the median and mean values of a series of variables against a time variable (on the X axis) and with the option of stratifying the variables by another one (such as sex or disease state). I think I can do this by collapsing the data but is it possible to do this while retaining the data set in its 'original' state. I have searched the archives and the reference manuals but have not come up with anything that seems to be what I want. >>> In many ways what I would like is a box plot with JUST the median (or mean) being plotted: no box, no outliers. Is that possible. >>> >>> Thanks >>> Don >>> * >>> * For searches and help try: >>> * http://www.stata.com/help.cgi?search >>> * http://www.stata.com/support/faqs/resources/statalist-faq/ >>> * http://www.ats.ucla.edu/stat/stata/ >> >> * >> * For searches and help try: >> * http://www.stata.com/help.cgi?search >> * http://www.stata.com/support/faqs/resources/statalist-faq/ >> * http://www.ats.ucla.edu/stat/stata/ >> > > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/faqs/resources/statalist-faq/ > * http://www.ats.ucla.edu/stat/stata/ > * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/