Hello everyone,

Does anyone of you using hurdle model? I am reading a paper which said " Hurdle 
model removes effect of zero-inflation and over-dispersion in the non-zero 
observations using a quasi-likelihood", I've checked the help file from hurdle 
in R, which said differently that"for non-zero obs normally a truncated 
poisson/NB is used" ... just want to make sure, does it really estimated the 
parameter by "quasi-likelihood"

Thanks,
liv
Biostatistician
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