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d williams.  Logistic regression using Williams' procedure.
d Program by Joseph Hilbe, Arizona State Univ. <jhilbe@aol.com>
d Statalist distribution, 25 January 1999.
d 
d The William's procedure iteratively reduces the chi2-based
d dispersion to approximately 1.
d
d See help williams.

f williams/williams.hlp
f williams/williams.ado