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4 results for “from:Hennig, Christian”

Why CLARA clustering method does not give the same classes as when I do clustering manually?
Hennig, Christian · Feb 21, 2016 · r-help

Clara uses the Euclidean distance. Why you get different results can only be said if you provide a reproducible code example for both what you did in clara and what you did "manually". Best wishes, Christian *** --- *** Christian Hennig University College...

R CMD check Error: package MASS was built before R 3.0.0 - not true!?
Hennig, Christian · Oct 29, 2013 · r-help

Dear Jeff, thanks. Somehow R didn't install MASS where it later looked for it. I still haven't understood properly what caused the problem but I managed to fix it now (by specifying lib when installing it). Best wishes...

Problems with lda-CV, and collinear variables in lda
Hennig, Christian · Aug 14, 2012 · r-help

Dear R-help list, two issues regarding lda. 1) I'm puzzled by the fact that lda's in-build cross-validation gives results different from the manual cross-validation routine that I run (of course mine may be wrong...

cluster analysis in R
Hennig, Christian · Nov 16, 2012 · r-help

Dear Katherine, function flexmixedruns in package fpc may do what you want; it fits mixtures with continuous and categorical variables, can use the BIC for giving you the number of mixture components and also gives you posterior probabilities for cases...

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