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st: sample splitting problem

Subject   st: sample splitting problem
Date   21 Nov 2007 06:00:21 -0000

Dear all, here I'm again for a new request of help. I would like to replicate a sample splitting into my research. 
Given an unbalanced panel (ts-cs data) and two variables, x and y, the sample splitting criterion is the following: 
a firm is identified as having more "x" (high_x) if "x/y" is larger than the median accross firms of the firms' time averages. Conversely, a firm is identified as having less "x" (low_x) if "x/y" is less than (or equal to) the median accross firms of these time averages. I would be grateful if someone can help me with the commands (just an example to use for my dataset). 
Thank you very much.


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