[R] question concerning VGAM

Martin Maechler maechler at stat.math.ethz.ch
Mon Jul 5 11:20:11 CEST 2010

>>>>> "" == Martin Spindler <Martin.Spindler at gmx.de>
>>>>>     on Mon, 5 Jul 2010 07:48:42 +0200 writes:

    > Hello everyone,
    > using the VGAM package and the following code


    > library(VGAM)

    > bp1 <- vglm(cbind(daten$anzahl_b, daten$deckung_b) ~ ., binom2.rho,
    > data=daten1)

    > summary(bp1)

    > coef(bp1, matrix=TRUE)


    > produced this error message:

    > error in object$coefficients : $ operator not defined for this S4 class


    > I am bit confused because some day ago this error message did not show up
    > and everything was fine.

    > Thank you very much in advance for your help.
    > Best,


    > Martin

    > [[alternative HTML version deleted]]

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Hmm, and which part of the two lines above did you not


already contains uses of coef() which do work fine;
so it must be you, or your "setup" which breaks things.

Martin Maechler, ETH Zurich

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