[R] Calculating the Distance

***creating matrix and calculating variance across probesets x<-1:2 y<-2:141 data.matrix<-data.matrix(data[,y]) variableprobe<-apply(data.matrix[x,],1,var) hist(variableprobe) **filter out low variance* data.sub = data.matrix[order(variableprobe,d

Re: [R] Calculating the distance samples using distance metics method

s.csiro.au/bill.venables/ -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Keizer_71 Sent: Wednesday, 20 February 2008 9:35 AM To: r-help@r-project.org Subject: [R] Calculating the distance samples using distance metics method ***readi

[R] Calculating the distance samples using distance metics method

***reading in data** data<-read.table("microarray.txt",header=T, sep="\t") head(data) dim(data) attach(data) ***creating matrix and calculating variance across probesets x<-1:2 y<-2:141 data.matrix<-data.matrix(data[,y]) variableprobe<-apply(data.matri