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st: reading value labels -- second and third largest values


From   Jakob Pohlisch <mailjp@gmx.net>
To   statalist@hsphsun2.harvard.edu
Subject   st: reading value labels -- second and third largest values
Date   Tue, 04 Dec 2012 23:29:40 +0100

Hello List,

i have some short questions concerning user written ado-Files. Iam writing my own little program here and this list has been an awesome help for me so far. Thanks to everyone involved! But now i finally have some problems which a search in the list can't solve...or i just cannot find the answer.

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?

2. I managed to get the levels of a variable with "levelsof `var', local(levels)". Now i would like to obtain the value labels of those values if they exist. This will help me displaying my results.

Thank you so much in advance and sorry for all the text and my bad writing ;-)

Jakob
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