Re: st: Re: percentages (p75)

[cbaylor@ucla.edu]

Dear Professor Lauritsen,

Do you know how to take the "liberals" and view a histogram of only  
their income, and then superimpose it on the general population income?

Tusind Tak!  (if I remember my Danish well)

Chris


Quoting Jens Lauritsen <jl@epidata.dk>:


> > I want me to create a "liberal" variable and a "conservative" variable
> > by isolating the people who score in the top 25th percentile in a
> > composite personal freedoms variable and the bottom 25th percentile
> This is quite easy by using the result variables, following summarize.
> Notice the option ", d": If you forget the percentiles will not be available
>
> E.g. for a variable AGE:
>
> summ AGE ,d
>
> ..... output cut out .....
> 75%           48             74
> ..... output cut out .....
>
> * You can also see the result variables by:
>
> return list
>
> scalars:
> ..... output cut out .....
>                r(p50) =  41
>                r(p75) =  48
> ..... output cut out .....
>
> * to create your indicators:
> gen high = (AGE >= r(p75) )
> gen low =  ( AGE < r(p25) )
>
> list h AGE
>
>       high  AGE
>    1.    0   47
>    2.    1   49
> ..... output cut out .....
>
> regards
>
> Jens Lauritsen
> Southern Denmark University, Denmark
> Coordinator and initiator of EpiData Project http://www.epidata.dk
>
>
>
>
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