[R] Join data frame columns

Rui Barradas ruipbarradas at sapo.pt
Tue Oct 23 15:48:31 CEST 2012


Hello,

Use apply/paste.

apply(df, 1, paste, collapse = "")  # outputs a vector

Also, df is the name of an R function, you should choose something else, 
it can become confusing.

Hope this helps,

Rui Barradas
Em 23-10-2012 12:45, brunosm escreveu:
> Hi,
>
> I have a data frame with 100 variables (numeric and non numeric types), and
> I want to join them in only one column, like a vector, but i want to keep
> the non numeric variables like they are.
>
> I know that i can do something like this:
>
> Suppose that my data is in df variable
>
> new_df<-data.frame(c(df[,1],df[,2],df[,3],df[,4],...........)
>
> This works but i have 100 variables!
>
> Any way of doing this a little bit faster?
>
> Thanks a lot!
>
>
>
>
>
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