Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, is already up and running.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

st: Nested zip

From   Kris Anderson <>
Subject   st: Nested zip
Date   Tue, 06 Dec 2011 09:13:18 -0800


I am trying to model a count variable (lifetime use of drugs) nested in schools. Given it's distribution, a zip model would be ideal (lots of zeros). However, it seems Stata will run an xtmepoisson but not zip. Does anyone know why?

*   For searches and help try:

© Copyright 1996–2016 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index