Ang. [Gretl-users] t-distribution in p-value finder

[Sven Schreiber]

I would argue that a noncentral t is not t just like the noncentral
chi^2 is not chi^2. Or are there plans to subsume the noncentral chi^2
under the chi^2 as well?

Anyway I needed to explain to students in class today what it means or
why it's ok to leave at the defaults, and the small confusion that it
created is unnecessary IMHO. So if non-central t is really needed (is
it?) couldn't it be separated from t more clearly?

Thanks,
Sven


andreas.karlsson at ltv.se schrieb:
> A noncentral t-distribution can have mean 3 and SD 4000, but not the usual
> t-distribution.
> 
> Med vänliga hälsningar / Best regards
> Andreas Karlsson
> 
> 
> 
> svetosch at gmx.net @ INTERNET skrev 2007-06-08 18:15:15 :
> 
>> Hi,
>> today I stumbled over the parameters for the t-distribution in the
>> p-value finder: Mean and SD apart from DoF. AFAIK there is no such thing
>> as a t distribution with, say, mean 3 and SD 4000. Or am I missing
>> something?
>>
>> Thanks,
>> Sven
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> 
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