[R] plotting lda results

Hi all, I am trying to plot the results of a discriminant analysis done with lda(MASS) but my groups appear in two different plots (in the same graphics device) and I want to combine them in one plot. My code looks like: BirdTrain.lda - lda(Bdisperser~., data=BirdTrain.mx) predict(BirdTrain.lda)

Re: [R] plotting lda results

is not reproducible): I would expect you to get a single plot with two panels (figures), but there are options to have a single panel. (Reading 'An Introduction to R' may help you to use standard terminology that others will be able to follow.) On Wed, 22 Aug 2007, Silvia Lomascolo wrote: Hi all

[R] help with panel.lda

I work with Windows, R version 2.4.1 I am trying to plot the results of a discriminant analysis done using the lda function in the MASS library. The discriminant. analysis goes like this: data.tb-read.table('C:\\Documents and Settings\\silvia\\Desktop\\dicrim_test.txt', header=T) ## the actual

[R] discriminant analysis with lda(MASS)

I use Widows, R version 2.4.1 I have 4 questions on lda (MASS) (code is pasted below): 1st. How can I obtain the statistics and p-value associated with discriminant analysis? Am I supposed to calculate that manually by squaring the svd value and looking the p value up in a table? I am writing

[R] subscript out of bounds error in lda

I work with Windows, R version 2.4.1 I'm trying to do a discriminant analysis and, in trying to figure out how to do it following the example from R help, I'm getting an error that says 'subscript out of bounds'. I don't know what this means and how to solve it (I'm very new with R) I'm doing

[R] Averaging across rows columns

I use Windows, R version 2.4.1. I have a dataset in which columns 1-3 are replicates, 4-6, are replicates, etc. I need to calculate an average for every set of replicates (columns 1-3, 4-6, 7-9, etc.) AND each set of replicates should be averaged every 14 rows (for more detail, to measure fruit

Re: [R] Averaging across rows columns

=rep(1:(nrow(means)/14), each=14)), mean) Or something... YES! This seems to work. Thank you! -Original Message- From: [EMAIL PROTECTED] on behalf of Silvia Lomascolo Sent: Thu 07/06/2007 8:26 PM To: r-help@stat.math.ethz.ch Subject: [R] Averaging across rows columns I use

[R] Problem with rpart

I work on Windows, R version 2.4.1. I'm very new with R! I am trying to build a classification tree using rpart but, although the matrix has 108 variables, the program builds a tree with only one split using one variable! I know it is probable that only one variable is informative, but I think

[R] Skipping rows and columns in large matrix

I work on Windows, R version 2.4.1 I need to leave out many rows and columns when reading a matrix. The 'skip' commands in read.table, seem to be just for skipping rows, if I understand well, but I need to skip many columns as well. I tried something very simple and left one row and one column

Re: [R] Skipping rows and columns in large matrix

yes, this works. It didn't think of concatenating... thanks! jim holtman wrote: zzz - zzz[-c(1,45,23,321), -c(23,34,45,67)] On 5/8/07, Silvia Lomascolo [EMAIL PROTECTED] wrote: I work on Windows, R version 2.4.1 I need to leave out many rows and columns when reading a matrix

Re: [R] NAs introduced by coercion in dist()

)= chr euclidean ..- attr(*, call)= language dist(x = PeaksMatrix, method = euclidean, diag = FALSE, upper = FALSE, p = 2) Any more suggestions, please? Silvia Lomascolo wrote: I work with Windows and use R version 2.4.1. I am JUST starting to learn this program... I get this warning