Megh Dal schrieb:
> Dear all,
>
> I have following codes:
>
> colnames(data) = c("var", "var", "var")
> i = c(1,2,3)
>
> Now I want construct a "for" loop starting from 1 to 3 to give the new names
> of columns for dataframe "data" like below
>
> colnames(data)
>> c("var1", "var2", "var3")
>
> Definitely I could do this manually, however I want to put this in a
> automated way so that I can do this for any number of columns.
>
x <- data.frame(c(1,2),c(3,4),c(5,6))
colnames(x) <- rep("var",3)
colnames(x) <- paste(colnames(x),1:dim(x)[2],sep = "")
## Maybe, you want your own very simple function for renaming
## a data frame...
myRename <- function(df){
colnames(df) <- paste(colnames(df),1:dim(df)[2],sep = "")
return(df)
}
x <- data.frame(c(1,2), c(3,4), c(5,6), c(5,6), c(5,6))
colnames(x) <- rep("var",5)
myRename(x)
HTH,
Bernd
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