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diff scripts/statistics/models/logistic_regression_likelihood.m @ 7125:f084ba47812b

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[project @ 2007-11-08 02:29:23 by jwe]
author jwe
date Thu, 08 Nov 2007 02:29:24 +0000
parents a1dbe9d80eee
children fd0a3ac60b0e
line wrap: on
line diff
--- a/scripts/statistics/models/logistic_regression_likelihood.m	Thu Nov 08 01:09:44 2007 +0000
+++ b/scripts/statistics/models/logistic_regression_likelihood.m	Thu Nov 08 02:29:24 2007 +0000
@@ -29,6 +29,10 @@
 
 function [g, g1, p, dev] = logistic_regression_likelihood (y, x, beta, z, z1)
 
+  if (nargin != 5)
+    print_usage ();
+  endif
+
   e = exp ([z, x] * beta); e1 = exp ([z1, x] * beta);
   g = e ./ (1 + e); g1 = e1 ./ (1 + e1);
   g = max (y == max (y), g); g1 = min (y > min(y), g1);