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2004 Sep 12
2
Variable Importance in pls: R or B? (and in glpls?)
Dear R-users, dear Ron
I use pls from the pls.pcr package for classification. Since I need to
know which variables are most influential onto the classification
performance, what criteria shall I look at:
a) B, the array of regression coefficients for a certain model (means a
certain number of latent variables) (and: squared or absolute values?)
OR
b) the weight matrix RR (or R in the De
2005 May 13
45
Why Wouldn't I Use Rails
I am starting a large project and still selecting what
framework to use.
Rather than ask brand x what is wrong with brand y, I am
more interested in self confession.
Why would I *not* want to use Rails (compared to Iowa and Nitro).
I posted a synopsis of the project to ruby-talk but will repost
it here if anyone wants it.
xev