Re: st: Numerous t-tests

["Michael Blasnik" <michael.blasnik@verizon.net>]

"Ron�n Conroy" <rconroy@rcsi.ie> wrote:

> -regress- is a lot faster than t-test, and the output is easier to  read, 
> IMO. The coefficient and its confidence interval represent the  difference 
> in means and its CI.
While I agree that regress is faster and often preferred to t-tests, one 
should be aware that regress will assume equal variances for the two groups 
identified by the dummy variable.  That assumption may or may not be what 
you want.

Michael Blasnik
michael.blasnik@verizon.net

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