[R] Multivariate regression tree: problems with surrogate splits (complete commands)

2007-10-23 Thread Trochine, Carolina
The secuence was not complete in the other message, sorry! sprot_matrix=read.csv("sprot_matrix.csv", row.names=1) sprot_matrix require(mvpart) mrtsprot_matrix <- mvpart(data.matrix(sprot_matrix [,1:47]) ~SECCHI+PH+TA+PTOT+NTOT+CHLA+AREA+ MEANDEP, sprot_matrix,xv="pick",xvmult=5

[R] Multivariate regression tree: problems with surrogate splits

2007-10-23 Thread Trochine, Carolina
R helpers, I am working with the R program performing multivariate regression trees (MRT). I have a matrix with species and environmental variables saved as a CSV file (sprot_matrix.csv), I have 42 species and 8 environmental variables (SECCHI+PH+TA+PTOT+NTOT+CHLA+AREA+ MEANDEP) for 104 samples