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st: pooling data

From   Tunga Kantarci <>
Subject   st: pooling data
Date   Fri, 23 May 2008 17:09:04 +0200


I have a panel variable: that is it has time series and cross section
I would like to produce a histogram regardless of the time dimension.
That is, I would like to pool the time dimension and then produce a

To do this, I used the following command: 

reshape long variablename, i(id) j(number)

I suppose one can also use the "stack" command.

I am wondering if this is an inefficient way of pooling data.
Is there a better workaround to pool data?  

Thanks in advance.

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