On #1, you will find some technique in the code for -extremes- (SSC).
Nick
On Tue, Dec 4, 2012 at 10:29 PM, Jakob Pohlisch <mailjp@gmx.net> wrote:
> 1. The command summarize is computing the 4 largest and smallest values.
> Unfortunately the command is not storing them for the reason that it is a
> build in command i cannot manipulate it to do so. To get this values from a
> dataset is not that hard. i would just sort the values and take the values
> of the observations _N, _N-1 and so on. But if i would like to use the
> bysort "command" i would have to get the values of "subsamples" of my
> datatset. This is not to hard if i use the preserve and restore commands.
> But these commands unfortunately are VERY time-consuming. I have really big
> datasets on hand and would like to obtain those values without the preserve
> and restore commands. Any idea?
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