[R] interpreting Weibull survival regression

[Prof Brian Ripley]

> Here gamma is the usual gamma function, see ?gamma. (I notice in the R
> documentation of the Weibull distribution that "E(X) = b Gamma(1+1/a)",
> which is an error; the G should be g (lowercase).)

It is not an error.  R's function gamma() is said to implement 
\eqn{\Gamma}{Gamma}: `see ?gamma'!


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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