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Re: st: Histogram, with customize intervals


From   Syed Basher <syed.basher@yahoo.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Histogram, with customize intervals
Date   Mon, 9 May 2011 02:46:11 -0700 (PDT)

Thank you Nick for very helpful advice.

 -- Syed


----- Original Message -----
> From: Nick Cox <njcoxstata@gmail.com>
> To: statalist@hsphsun2.harvard.edu
> Cc: 
> Sent: Monday, May 9, 2011 11:16 AM
> Subject: Re: st: Histogram, with customize intervals
> 
> -hist3- is from SSC and is for Stata version 6. Remember: you are
> asked to explain _where_ user-written programs you refer to come from.
> Evidently the author is not maintaining it; otherwise it would have
> been ported to Stata 8 long since.
> 
> If you have just two intervals, you might as well use -graph bar-.
> 
> Alternatively, see
> 
> SJ-4-1  gr0003  . . . . . . . . . . . . Speaking Stata: Graphing distributions
>         . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N. J. Cox
>         Q1/04   SJ 4(1):66--88                                   (no commands)
>         a review of official and user-written commands for
>         graphing univariate distributions; includes tricks
>         beyond what is obviously and readily available
> 
> for discussion of unequal bin widths in histograms.
> 
> (English idioms vary across the world, but while "some code" sounds
> very natural to me to refer to one or more programs, "a code" suggests
> to me only a cipher.)
> 
> Nick
> 
> On Mon, May 9, 2011 at 8:54 AM, Syed Basher <syed.basher@yahoo.com> wrote:
> 
>>  I am using Stata 11.2. I want to draw a histogram for a continuous variable 
> with the following intervals (0-250, 250-1000). I noticed that this is not 
> straightforward in Stata. I found a user written code, "hist3", which 
> allows me to get what I want:
>> 
>>  hist3 price, v(250)
>> 
>>  However, with hist3, the height of the bar reflects density (and area 
> reflects frequency of the intervals). But I would like to express the height of 
> the bar in percent (rather than density). Is there a way to do this in Stata? 
> Thank you.
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