[R] Lilliefors Test

[Peter Dalgaard]

Martina Pavlicova <pavlicov at stat.ohio-state.edu> writes:

> > Is it not true that the Shapiro Wilks test implemented in the package
> > ctest requires the assumption that the population variance of the
> > variable is known?
> 
> I am not sure about this one...

No, that is false. Shapiro-Wilks basically measures the correlation in
a qqnorm() plot (too far below 1 and the distribution is deemed
non-normal) which is a  scale- and position-invariant measure.

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
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