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Re: st: Test of coefficient equality

From   Richard Williams <[email protected]>
To   [email protected]
Subject   Re: st: Test of coefficient equality
Date   Fri, 05 Mar 2004 06:24:43 -0500

At 10:04 AM 3/5/2004 +0100, you wrote:
Hi. This is probably a very silly question, but better ask than struggle! Is there any way I can compare the coefficients from Multinomial logits over time? The situation is as follows. I am running a multinomial logit over choices A, B,C and D on data drawn from random samples in year1 and year2. How can I compare whether the effect of variable X on say choice A between years 1 and 2 has changed significantly? Thanks. Ralitza
To clarify, are these two independent samples, or is it the same people interviewed twice? If independent samples, then I think it is a fairly straightforward matter of setting up and testing interactions with time; but before trying to work through it, why don't you clarify first.

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