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| From | Nick Cox <njcoxstata@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: RE: question on graphing a bar |
| Date | Sat, 19 May 2012 07:18:07 +0100 |
It's all in the help for -graph bar-, which you are expected to read. -over(whatever, gap(*4))- makes the gaps between bars 4 times bigger. Therefore the bars will be smaller. Nick On Sat, May 19, 2012 at 5:47 AM, Jian Zhang <jian32@gmail.com> wrote: > Nick, now the bars look too big. Is there a way to reduce the width of the bars? > On Fri, May 18, 2012 at 10:47 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote: >> The problem is trivial then. You just need to produce a dataset that is of the form exemplified in my first post. With three means, and nothing else explained, you could create that interactively. >> >> Also it is easy enough to automate that: >> >> gen means = . >> gen label = "" >> su non, meanonly >> replace label = "non" in 1 >> replace means = r(mean) in 1 >> su self, meanonly >> replace label = "self" in 2 >> replace means = r(mean) in 2 >> su wage, meanonly >> replace label = "wage" in 3 >> replace means = r(mean) in 3 >> >> gen twothree = _n > 1 >> >> graph bar (asis) means in 1/3 , over(label) over(twothree) asyvars stack >> >> Nick >> n.j.cox@durham.ac.uk >> >> Jian Zhang >> >> Each bar represents the mean of the variable in the sample. >> >> On Fri, May 18, 2012 at 10:35 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote: >> >>> If you don't ask the real question, you may not get the real answer. >>> >>> This still isn't clear to me: How is each variable going to produce one and only one bar? >>> >>> Nick >>> n.j.cox@durham.ac.uk >>> >>> Jian Zhang >>> >>> Nick, it works. but what i have is a data set of three variables, say >>> non-earned income, wage_income and self-employment income. what i >>> wanted is a bar chart where there is one bar for non-earned income, >>> then one bar for wage_income and one bar for self-employment income >>> but the two later bars were stacked. Note that all the observations >>> have values for the three variables. So it is not possible to use the >>> option of over. Is there a way to graph a bar like this with the >>> data? >>> >>> On Fri, May 18, 2012 at 10:05 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote: >>>> Consider >>>> >>>> clear >>>> set obs 3 >>>> gen cat = _n >>>> gen twothree = _n > 1 >>>> gen y = runiform() >>>> graph bar (asis) y , over(cat) over(twothree) asyvars stack >>>> >>>> Nick >>>> n.j.cox@durham.ac.uk >>>> >>>> Jian Zhang >>>> >>>> I was trying to graph a vertical bar chart where there are three bars. >>>> but i wanted the second and third bars stacked. Does anyone know how >>>> to do this? thanks! * * 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/