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From |
"Kaulisch, Marc" <kaulisch@forschungsinfo.de> |

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

Subject |
AW: st: Suppress unused values of categorical var in graph? (Stata 11) |

Date |
Sun, 14 Aug 2011 21:22:41 +0200 |

Nick, Stupid me, haven't thought about that solution because I used "egen group" only with two or more vars... Your solution is very handsome. Of course, my problem is self-inflicted but in some cases it is useful that values of categorical variables are not equally spaced. Marc -----Ursprüngliche Nachricht----- Von: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Nick Cox Gesendet: Sonntag, 14. August 2011 17:53 An: statalist@hsphsun2.harvard.edu Betreff: Re: st: Suppress unused values of categorical var in graph? (Stata 11) Marc's problem could be regarded as self-inflicted. He creates a variable with values 1, 4, 6, 8, 12 and then complains that the values when supplied as one axis of a -twoway graph- are not plotted with equal spacing. More seriously: Marc's problem is certainly that -twoway- has no notion of a categorical variable. However, two more lines of code produce equal spacing: egen group = group(for_eu), label twoway rcap ub lb group, hori || scatter group mean, /// legend(off) ytitle("") ylabel(1/5, valuelabel angle(0) nogrid) I'll look into the problem with -ciplot- reported by Marc. Nick On Sun, Aug 14, 2011 at 1:02 PM, Kaulisch, Marc <kaulisch@forschungsinfo.de> wrote: > I came across a problem with -ciplot- (from ssc) because option > ytitle("") does not suppress the ytitle. As Nick Cox (author of > ciplot) mentioned earlier that he does not touch ciplot anymore and > one should use the statsby strategy (see Stata Journal 10, 1, > p.143-151). I started to follow his advise but come to a point of > dissatification and maybe some one can help me (still Stata 11 user). > > I have a categorical variable with categories ranging from 8 to 44 > where some values in this range are not attached to any categories. > Drawing a graph means that on the axis of this variable there is a lot of "unused" > space. Is there a way to reduce this? Is there a way to tell Stata > that this is a categorical variable (factor variables are not allowed...)? > (Of course a recode of the cat var would do the trick but why should > this be the only option?) > > My example code with the auto dataset > > sysuse auto > recode foreign (0=1) (1=4), gen(for_eu) replace for_eu = 6 if > regexm(make, "Renault") replace for_eu = 8 if regexm(make, "VW") > replace for_eu = 12 if regexm(make, "Audi") statsby mean=r(mean) > ub=r(ub) lb=r(lb) N=r(N), clear by(for_eu): ci weight levelsof for_eu, > local(fe) twoway rcap ub lb for_eu, hori || scatter for_eu mean, /// > legend(off) ytitle("") ylabel(`fe', valuelabel angle(0) nogrid) > * * 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/ * * 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/

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