Hello everyone, I have the following code which keeps giving me an error. The code is: dat<-read.table(file="C:\\Documents and Settings\\Owner\\My Documents\\eisen.txt",header=T,row.names=1,blank.lines.skip=F,na..strings="NA") dimnames(dat)((1)) <-as.character(dat(,1)) dat<-dat(,-1) dat<-as.data.frame(dat) file.show(file="C:\\Documents and Settings\\Owner\\My Documents\\eisen.txt") ann<-read.table(file="C:\\Documents and Settings\\Owner\\My Documents\\eisenClasses.txt",header=T) file.show(file="C:\\Documents and Settings\\Owner\\My Documents\\eisenClasses.txt") cl<-as.character(ann[,2]) dat<-dat[,cl] gc<-cl(1:19) act<-cl(20:39) x<-as.numeric(dat(2000,gc)) y<-as.numeric(dat(2000,act)) x<-x(!is..na(x)) y<-y(!is.na(y)) xy.list<-list(x,y) boxplot(xy.list,col=c("red","blue"),main="Gene 2000") The error is: "error in eval .with.vis(expr, envir, enclos) : could not find function "dat" I do not understand what this error is? Also is there a command to get a more verbose explanation of the error Any help would be appreciated Paul
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