d ulogit.  Univariate LL tests for model identification
d Program by Joseph Hilbe, Arizona State Univ. <jhilbe@@aol.com>
d Statalist distribution, 27 January 1999.
d
d Comparing the log-likelihood of a logistic regression model containing only 
d the intercept with that of a model having a single predictor provides prima 
d facie evidence of whether the predictor in fact contributes to the model. 

f ulogit/ulogit.hlp
f ulogit/ulogit.ado