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st: xtlogit: cannot compute lnsig2u initial value


From   "MA, XIAOGUANG MA" <ma26@email.sc.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: xtlogit: cannot compute lnsig2u initial value
Date   Mon, 28 Jan 2013 17:31:37 +0000

Hi,

I am using xtlogit (re) to deal with my panel data (over 10,000 mothers in 150 census tracts). For several models, I got this error message and the xtlogit models rejected to run:

"cannot compute lnsig2u initial value r(430);"

What does this mean? Do I need to assign an initial value? How can I do that? How can I pass through this error and get the models run?

Much appreciate.

Max


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