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Re: st: Drop if beyond certain percentile


From   Susan Olivia <susan.olivia@monash.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Drop if beyond certain percentile
Date   Fri, 30 Mar 2012 16:41:47 +1100

Hi Sandy,

This can be easily done using either the 'pctile' or 'xtile' syntax.
You need to create your variable first using those syntax, then just
keep relevant observations for your analysis.

Hope this helps,

Susan

On 30 March 2012 16:12, Sandy Y. Zhu <sandy.zhu@yale.edu> wrote:
>
> Hi guys:
>
> Would anyone happen to know how to drop datapoints that are larger
> than or smaller than certain percentiles? For example, I would like to
> drop any observations that's higher than 95% percentile or lower than
> 5% percentile in my dataset.
>
> Thank you so much!
>
> --
> Yours sincerely,
>
> Sandy Y. Zhu
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