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Re: st: Polynomial in Time in an Unbalanced Panel


From   natasha agarwal <[email protected]>
To   [email protected]
Subject   Re: st: Polynomial in Time in an Unbalanced Panel
Date   Fri, 18 Jun 2010 14:43:05 +0100

The problem is I dont know how to create it.

I tried

egen t1=group(year)
gen t2=t1^2
gen t3=t^3

But am not sure if this is correct for an unbalanced panel?

On Fri, Jun 18, 2010 at 2:37 PM, Maarten buis <[email protected]> wrote:
> --- On Fri, 18/6/10, natasha agarwal wrote:
>> I wanted to introduce a polynomial in time in my unbalanced
>> panel.
>
> What is the problem?
>
> -- Maarten
>
> --------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
>
> http://www.maartenbuis.nl
> --------------------------
>
>
>
>
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