[R] remove column names from a data frame

Henrique Dallazuanna wwwhsd at gmail.com
Mon Feb 18 20:49:31 CET 2008


Try this:

names(df) <- NA

or

names(df) <- make.names(seq(ncol(df)))


On 18/02/2008, joseph <jdsandjd at yahoo.com> wrote:
>
>
> 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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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O



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