search for: genetest

Displaying 2 results from an estimated 2 matches for "genetest".

2007 Aug 08
0
ksvm-kernel
...kernlab) # identity kernel k <- function(x,y) { n<-length(x) cont<-0 for(i in 1:n){ if(x[i]==y[i]){ cont<-cont+1 } } cont } class(k) <- "kernel" data(promotergene) ind <- sample(1:dim(promotergene)[1],20) genetrain <- promotergene[-ind, -1] genetest <- promotergene[ind,-1 ] kx <- kernelMatrix(k, as.matrix(genetrain)) y<-as.vector(promotergene[-ind,1 ]) #y<-as.factor(promotergene[-ind,1 ]) y gene1 <- ksvm(kx, y, type="C-svc") gene1 genetype <- predict(gene1,genetest) Error en as.matrix(Z) : objeto "Z" no e...
2009 Sep 15
3
how to load only lines that start with a particular symbol
Dear all, I have DNA sequence data which are fasta-formatted as >gene A;..... AAAAACCCC TTTTTGGGG CCCTTTTTT >gene B;.... CCCCCAAAA GGGGGTTTT I want to load only the lines that start with ">" where the annotation information for the gene is contained. In principle, I can remove the sequences before loading or after loading all the lines. I just wonder if there's a way to