[R] Zero inflated count models

[Dirk Enzmann]

Can someone show me how to specify zero inflated poisson and zero 
inflated negative poisson models in R? I would like to replicate the 
example given in Long (1997: Regression Models for Categorical and 
Limited Dependent Variables) in Chapter 8.5 (pp. 242-247).

TIA
Dirk
*************************************************
Dr. Dirk Enzmann
Criminological Research Institute of Lower Saxony
Luetzerodestr. 9
D-30161 Hannover
Germany
phone: +49-511-348.36.32
fax:   +49-511-348.36.10
email: [EMAIL PROTECTED]
http://www.kfn.de

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