Posts Tagged ‘ multivariate ’

A quicky..

February 22, 2010
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If you’re (and you should) interested in principal components then take a good look at this. The linked post will take you by hand to do everything from scratch. If you’re not in the mood then the dollowing R functions will help you. An example. # Generates sample matrix of five discrete clusters that have

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Probability of hypercubes…

November 28, 2009
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Probability of hypercubes…

…in R of course! There is a handy function to do those calculations. Normally (ahh!) you might resolve to a symbolic calculation package (Maple,Mathematica etc.)  but that is not the situation any more. The calculations are done with the mnormt package. Relevant functions exist in other packages as well (R : Distributions) x <- seq(-2,4,length=21) y <- 2*x+10 z

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