Re: st: Showing all categories in legend with catplot

[Nick Cox <njcoxstata@gmail.com>]

An alternative is -tabplot- (SSC). Consider.

tabplot q2 newold , perc(newold) yasis yla(1/3) showval

Nick

On Thu, Jul 21, 2011 at 10:54 AM, David Radwin <dradwin@mprinc.com> wrote:
> Eric's solution shows the text of the third category in the legend, but
> there is no corresponding key (colored bar) in the legend. Maybe that is
> good enough for Martin--he doesn't make this an explicit
> specification--but I wonder if it is possible to force a key to show for
> that third category. (I tried and could not figure out how.)
>
> David
>
> --
> David Radwin
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>> -----Original Message-----
>> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
>> statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox
>> Sent: Thursday, July 21, 2011 7:17 AM
>> To: statalist@hsphsun2.harvard.edu
>> Subject: Re: st: Showing all categories in legend with catplot
>>
>> Eric is correct.
>>
>> Note by the way that -catplot- (SSC) as such does nothing with
>> legends. What you are seeing is standard Stata graph behaviour whereby
>> the legend just reflects what is present in the data, but as Eric
>> explains you can override that.
>>
>> Nick
>>
>> On Wed, Jul 20, 2011 at 10:42 PM, Eric Booth <ebooth@ppri.tamu.edu>
> wrote:
>>
>> > The help file for -catplot- (from SSC) mentions that it accepts other
>> graph options, so you could use the legend() option to specify what you
>> want, ex:
>> >
>> > catplot q2 , over(newold) stack asyvars perc(newold) caption("Q2") ///
>> > name(g2, replace)  legend(on order(1 "Agree" 2 "Neutral"  3 "Disagree"
> )
>> cols(1) )
>> >
>>
>> > On Jul 20, 2011, at 7:40 PM, Martin Lee wrote:
>>
>> >> I'm having some problems with getting catplot to display all the
>> >> categories in the legend for some questionnaire data where not all of
>> >> the Likert scale response range is recorded for some of the
> questions.
>> >>
>> >> Example data and catplot command is below (q1 = question 1, q2 =
>> >> question 2, newold = clinic type)
>> >>
>> >> clear
>> >>
>> >> inp byte(q1 q2 newold)
>> >> 1 2 1
>> >> 1 1 1
>> >> 1 2 1
>> >> 2 1 1
>> >> 2 2 1
>> >> 2 1 1
>> >> 3 2 1
>> >> 1 1 2
>> >> 1 2 2
>> >> 2 2 2
>> >> 3 1 2
>> >> 3 2 2
>> >> end
>> >>
>> >> lab def qlab 1 "Agree" 2 "Neutral" 3 "Disagree"
>> >> lab val q1 q2 qlab
>> >>
>> >> lab def nlab 1 "New" 2 "Old"
>> >> lab val newold nlab
>> >>
>> >> catplot q1 , over(newold) stack asyvars perc(newold) caption("Q1")
>> >> name(g1, replace)
>> >> catplot q2 , over(newold) stack asyvars perc(newold) caption("Q2")
>> >> name(g2, replace)
>> >>
>> >> And as you will see, for Q2, the legend only shows the "Agree" and
>> >> "Neutral" responses.
>> >>
>> >> How do I get all the categories to display?
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