Full_Name: Andrew Robinson
Version: 2.6.2 Patched (2008-02-12 r44439)
OS: FreeBSD 6.3-RC1
Submission from: (NULL) (211.28.206.186)
I believe that the computation for GCV is incorrect in the lm.ridge function in
MASS.
>From lm.ridge:
GCV <- colSums((Y - X %*% coef)^2)/
(n - colSums(matrix(d
Hi Community,
I'm trying to reconcile Cook's Distances computed in glm. The
following snippet of code shows that the Cook's Distances contours on
the plot of Residuals v Leverage do not seem to be the same as the
values produced by cooks.distance() or in the Cook's Distance against
observation nu