[Gretl-users] Behrens-Fisher problem

Sven Schreiber svetosch at gmx.net
Thu Jun 8 14:15:06 EDT 2006


Allin Cottrell schrieb:

>> ad 1) I would like to see some mention of which assumption/formula is
>> used in the test output, or make it a user option.
> 
> Yes, that should be done.
> 
>> ad 2) This is unfortunate given that the user explicitly choose the
>> option "do not assume equal variances". The easiest workaround is to use
>> the asymptotic formula instead and print a warning in the output that
>> the approximation may be poor due to the sample size.
> 
> OK, we'll do that.
> 

Thanks a lot! I'm sorry I can't help with those things, but I don't know
C. (to be honest, nor do I want to know it... ;-)
-Sven



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