[R-sig-eco] Zero-truncated Poisson model in R

Maarten de Groot Maarten.deGroot at nib.si
Mon May 17 11:22:00 CEST 2010

Hi Manuel,

It seems that the package VGAM is taking zerotruncated models into 
account. You can find more info on 
http://www.stat.auckland.ac.nz/~yee/VGAM/index.html. You can use as a 
family function "posnegbinomial" (for zero truncated data with negative 
binomial distribution) or "pospoisson" (for zero truncated data with 
poisson distribution).

kind regards,


Manuel Spínola wrote:
> Dear list members,
> Is there any function  to do zero-truncated poisson or zero-truncated 
> negative binomail in R?
> Thank you very much in advance.
> Best,
> Manuel Spínola

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