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diff rDiff/src/locfit/m/gcv.m @ 0:0f80a5141704

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version 0.3 uploaded
author vipints
date Thu, 14 Feb 2013 23:38:36 -0500
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rDiff/src/locfit/m/gcv.m	Thu Feb 14 23:38:36 2013 -0500
@@ -0,0 +1,13 @@
+function g=gcv(varargin)
+
+fit = locfit(varargin{:});
+rs = rsum(fit);
+
+df0 = rs(1);
+df1 = rs(2);
+llk = rs(3);
+n = size(fit.data.x,1);
+gc = -2*n*llk/((n-df0)^2);
+g = [llk df0 df1 gc];
+
+return;