Re: [R] exploratory analysis of large categorical datasets

2010-11-13 Thread Kjetil Halvorsen
you can also look at correspondence analysis, which is implemented in multiple CRAN packages, for instance MASS, ade4 and others. See the multivariate analysis task view on CRAN. Kjetil On Thu, Nov 11, 2010 at 10:39 PM, Dennis Murphy wrote: > Hi: > > A good place to start would be package vcd an

Re: [R] exploratory analysis of large categorical datasets

2010-11-11 Thread Dennis Murphy
Hi: A good place to start would be package vcd and its suite of demos and vignettes, as well as the vcdExtra package, which adds a few more goodies and a very nice introductory vignette by Michael Friendly. You can't fault the package for a lack of documentation :) You might also find the followi

[R] exploratory analysis of large categorical datasets

2010-11-11 Thread Lara Poplarski
Dear List, I am looking to perform exploratory analyses of two (relatively) large datasets of categorical data. The first one is a binary 80x100 matrix, in the form: matrix(sample(c(0,1),25,replace=TRUE), nrow = 5, ncol=5, dimnames = list(c( "group1", "group2","group3", "group4","group5"), c("V