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st: RE: RE: estimation with a time trend.

From   "Nick Cox" <>
To   <>
Subject   st: RE: RE: estimation with a time trend.
Date   Mon, 5 Jul 2010 11:03:36 +0100

As -egen, group()- maps to 1 ... whatever regardless of gaps, this might
in fact make things worse. What's wrong with -year- (or -year- MINUS
midpoint) for interpretability? 


Martin Weiss

Your code maps years in your dataset to integer numbers, and I am not
that it gets you any closer to your final destination. So far, it has
hurt either...

natasha agarwal

I was trying to estimate a production function with an unbalanced
firm-year panel data and wanted to include a time trend. However I was
not sure if the time trend was created correctly.

egen t=group(year)

I was wondering if anyone could please tell me if this was correct?

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