R: Re: st: single elements of varlist

["a.carrozzone@libero.it" <a.carrozzone@libero.it>]

thanks, it works!

>----Messaggio originale----
>Da: njcoxstata@gmail.com
>Data: 28-mar-2011 10.08
>A: <statalist@hsphsun2.harvard.edu>
>Ogg: Re: st: single elements of varlist
>
>In a word, -tokenize-.
>
>program myprog, rclass
>          syntax varlist(numeric min=3) [if] [in]
>          marksample touse
>          qui count if `touse'
>          if r(N) == 0 error 2000
>
>           tokenize "`varlist'"
>           su `1' if `touse', meanonly
>           local mean1 = r(mean)
>
>           su `2' if `touse', detail
>           local median2 = r(p50)
>
>           su `3' if `touse'
>           local sd3 = r(sd)
>
>           return scalar results = `mean1' + `median2' + `sd3'
>end
>
>Nick
>
>> On Mon, Mar 28, 2011 at 8:53 AM, a.carrozzone@libero.it
>> <a.carrozzone@libero.it> wrote:
>
>>> I am new to programming and I have a basic problem. I need to refer to 
the
>>> single variables in "varlist" and I am not sure how. For example, I might 
to
>>> get the sum of: the mean of the first variable, the median of the second
>>> variable and the standard deviation of the third variable.
>
>>> program define myprog, rclass
>>> syntax varlist
>>> get the mean of variable 1
>>> get the median of variable 2
>>> get the standard deviation of variable 3
>>> return scalar results=(sum of the previous three values)
>
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