[R] remove column names from a data frame

From: joseph <jdsandjd_at_yahoo.com>
Date: Mon, 18 Feb 2008 11:42:46 -0800 (PST)

I want to remove the column names from a data frame. I do it the long way, can any body show me a better way ?

df= data.frame(chrN= c(“chr1”, “chr2”, “chr3”), start= c(1, 2, 3), end= c(4, 5, 6), score= c(7, 8, 9))

df

#I write a txt file without row or column names

write.table(df,"df1.txt",sep='\t',quote=FALSE,row.names=F,col.names=F)

#then I read it with the header = F to obtain the format
I want

df1=read.table("df1.txt", header = F)

df1



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