I attempted to modify Joseph Hilbe's 0-truncated negative binomial routine
(nbinlf.ado likelihood function) to accomodate for endogenous stratification
(e.g. on-site sampling), however I am running into problems during the
maximization process; probably inherent in the trnbin0.ado file which performs
the estimation. Has anyone else attempted to do this? Would anyone be able to
help?
Cheers,
Craig Meisner
-------------------------------------------------------------
Craig Meisner
The World Bank
Development Economics Research Group
Infrastructure and Environment
MSN MC2-205, 1818 H Street, NW
Washington DC 20433
Tel: 202-473-6852, Fax: 202-522-3230
E-mail: [email protected]
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/