[R] Error in sample(colnames(B), 10) : invalid 'x' argument

Alex99 loyola9988 at yahoo.com
Tue Oct 21 18:53:57 CEST 2008


I have a file named "s1"(which has 14 rows and 4 columns) which is in csv
format. I import and call it "A" the file using:

A <- read.csv(file="s1.csv",head=TRUE,sep=",")

then I transpose it and call it "B"(which will have 4 rows and 14 columns)


when I want to make 5 samples from "B" (choosing 10 columns) using: 


I get the following error:

"Error in sample(colnames(B), 10) : invalid 'x' argument"

anyone has any idea,why?and how to fix it?

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