glm families in R

Peter Dalgaard · 1999-01-12T14:30:58Z

"Francisco Cribari" writes: > Is the following difference between S+ and R normal or is it a bug? > Thanks. FC. > > PS: S+ 4.5 for Windows and R 0.63.1 for Windows. > > S-PLUS output: > > > inverse.gaussian()$deriv > > function(mu) > > -2/mu^3 > > R output: > > > inverse.gaussian()$deriv > > NULL This is normal, R doesn't use $deriv in glm families. However, > inverse.gaussian()$mu.eta function (eta) -1/(2 * eta^1.5) -- O__ --

Peter Dalgaard

Tue, Jan 12, 1999 6:30 AM

"Francisco Cribari" <cribari at de.ufpe.br> writes:

This is normal, R doesn't use $deriv in glm families. However,

function (eta) 
-1/(2 * eta^1.5)
<environment: 0x4059d28c>

O__  ---- Peter Dalgaard             Blegdamsvej 3  
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glm families in R

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