August 2009
Intermediate to advanced
648 pages
17h 35m
English
book
Categorical Data Analysis Using The SAS® System, 2nd Edition
by Maura E. Stokes, Charles S. Davis, Gary G. Koch
Content preview from Categorical Data Analysis Using The SAS® System, 2nd Edition
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Appendix A: Theory for the Case-Control Retrospective Setting
Suppose that you have q matched pairs, h = 1,2,...,q, and θhi is the probability of the ith subject in the hth matched pair having the event (i = 1,2). Suppose that Xhi represents the set of explanatory variables for the ith subject in the hth matched pair.
The likelihood for the vector of explanatory variables being Xh1 given that subject h1 is the case (e) and being Xh2 given that subject h2 is the control 
is
The sum of this likelihood and that for its reverse counterpart, the likelihood ...
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