[R] Normalization in R

2012-01-21 Thread elisacarli21
Dear all I need to apply a normal, mean and quantile normalization to a data matrix. Could you give me any suggestions? Bests -- View this message in context: http://r.789695.n4.nabble.com/Normalization-in-R-tp4315911p4315911.html Sent from the R help mailing list archive at Nabble.com.

[R] Help with t student test

2012-01-13 Thread elisacarli21
Dear all, I've the following data.frame GENDER MEASURE01 MEASURE02 MEASURE03 MEASURE04 MEASURE05 MEASURE06 R. Rafuse MALE 91 6 8 12

[R] Help with PCA

2011-12-28 Thread elisacarli21
Dear all, I've a correlation matrix with rows and columns headings. I've two questions: 1) How can i import it in R, setting first row as row heading and first column as column heading? 2) Which is the best principal component anlysis package in R? Thanks in advance -- View this message in

[R] Problem with clusplot

2011-12-05 Thread elisacarli21
Dear all I'm trying to run a cluster analysis with R Here are the commands: mydata - na.omit(matrix) # listwise deletion of missing mydata - scale(matrix) # standardize variables fit - kmeans(mydata, 8) # 8 cluster solution # get cluster means aggregate(mydata,by=list(fit$cluster),FUN=mean)