[R] simultaneous plots

2010-04-06 Thread Alexandre Serra Barreto
Dear listmates, could anybody help me on how to do simultaneous plots? for instance: plot(x,y) plot(x,z) but my intention is to plot both of them simultaneously in the same graphic. Thanks in advance, Alexandre. __ R-help@r-project.

[R] rda.cv cross validation

2010-01-23 Thread Alexandre Serra Barreto
Dear R listmates, I am doing a cross validation with rda.cv to set alpha and delta parameters in a training set counting on 614 instances. The result of the process in R is:      delta alpha 0 0.333 0.667 1 1.333 1.667 2 2.333 2.667 3  0   9    9    9

[R] rda.cv cross validation

2010-01-23 Thread Alexandre Serra Barreto
Dear R listmates, I am doing a cross validation with rda.cv to set alpha and delta parameters in a training set counting on 614 instances. The result of the process in R is: rda.cv(fit = z, x = Tt, y = TtL, nfold = 10) $nonzero      delta alpha 0 0.333 0.667 1 1.33

Re: [R] Logistic regression

2010-01-21 Thread Alexandre Serra Barreto
you may use the function glm() to do all of it, see the R help for more about. Em 21/01/2010 19:17, DispersionMap < frenc...@btinternet.com > escreveu: can you do Logistic regression in R, if so how do you do it and how do you test the fit of a model? -- View this mes

[R] Gaussian Maximum Likelihood Classification

2009-10-04 Thread Alexandre Serra Barreto
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

Re: [R] Welcome to the "R-help" mailing list

2009-10-04 Thread Alexandre Serra Barreto
__ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.