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

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

Subject |
RE: st: RE: graph bar labels |

Date |
Thu, 10 Nov 2005 19:05:27 -0000 |

Ah! I see. Now that is fairly simple. It's just that -graph bar- is not the best way to do it. -- or indeed a way to do it at all. egen percent = mean(100 * foreign), by(rep78) egen total = sum(1), by(rep78) twoway bar percent rep78, barw(0.5) || scatter percent rep78, mlabel(total) mlabpos(12) ms(none) legend(off) yti(percent foreign) I follow the convention here that percents add to 100, not 1. Nick n.j.cox@durham.ac.uk Ricardo Ovaldia > Thank you Nick. Actualy what I was trying to do is > very simple (I thought). > > Useing the auto data. I collapse to get percentages > and totals by -rep78- using: > > .collapse (mean) percent=foreign (count) > total=foreign,by(rep78) > > This yields: > > rep78 percent total > 1. 1 0 2 > 2. 2 0 8 > 3. 3 .1 30 > 4. 4 .5 18 > 5. 5 .818182 11 > 6. . .2 5 > > Note that these are the six bars to be plotted. > (actualy only 5) > > I can graph using: > > . graph bar percent, over( rep78) > > But I want the variable -total- on on top of each > graph. > > Ricardo. > > > --- Nick Cox <n.j.cox@durham.ac.uk> wrote: > > > Obviously you are a discriminating person > > you knows exactly what you want from Stata. > > Sooner or later you will have to become > > a programmer. > > > > I am not quite clear how your percents > > are to be calculated, over all the values > > or within each group. > > > > Here is one way for the first case. You know that > > there are > > 69 values for which -foreign- and -rep78- > > are not missing. You ask for a -catplot- > > showing frequency. But you fix the y axis > > so that it shows percent. A tool for > > doing this is -mylabels- from SSC. > > > > . mylabels 0(10)40, myscale(@ * .69) local(la) > > 0 "0" 6.9 "10" 13.8 "20" 20.7 "30" 27.6 "40" > > > > . catplot bar rep78 foreign, blabel(bar, > > position(outside)) yla(`la') ytitle(percent) > > > > So, for example, the label "40" appears at > > where 27.6 would be shown on the frequency > > scale, because 40% of 69 is 27.6. > > > > Nick > > n.j.cox@durham.ac.uk > > > > > -----Original Message----- > > > From: owner-statalist@hsphsun2.harvard.edu > > > [mailto:owner-statalist@hsphsun2.harvard.edu]On > > Behalf Of Ricardo > > > Ovaldia > > > Sent: 10 November 2005 18:08 > > > To: statalist@hsphsun2.harvard.edu > > > Subject: Re: st: RE: graph bar labels > > > > > > > > > Not exactly, Nick. I basicaly plooting one > > variable > > > (percetage) over -rep78-, but will like the total > > > number of observations that when into calculating > > each > > > percentage on top of each bar. > > > > > > Thank you, > > > Ricardo. > > > > > > --- Nick Cox <n.j.cox@durham.ac.uk> wrote: > > > > > > > There may be an official Stata solution, but > > what > > > > I would recommend is that you try -catplot- from > > > > SSC. > > > > -catplot- appeared early in the life of Stata 8 > > > > given > > > > the discovery that -graph bar- is not that good > > at > > > > counting. > > > > > > > > . catplot bar rep78 foreign, blabel(bar, > > > > position(outside)) > > > > > > > > Is that what you want? > > > > > > > > Nick > > > > n.j.cox@durham.ac.uk > > > > > > > > Ricardo Ovaldia > > > > > > > > > I will like to place the number of observation > > on > > > > top > > > > > of each bar. For example, using the auto > > data: > > > > > . sysuse auto, clear > > > > > . collapse (mean) foreign (count) > > > > > total=foreign,by(rep78) > > > > > . graph bar foreign, over( rep78) > > > > > > > > > > What I want is the number in the variable > > -total- > > > > on > > > > > top of the corresonding graph. I have not > > been > > > > able > > > > > to do this and -blabel()- does not help. > > > > * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**RE: st: RE: graph bar labels***From:*Ricardo Ovaldia <ovaldia@yahoo.com>

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