Displaying 1 result from an estimated 1 matches for "crast1".
Did you mean:
cast1
2012 Jun 01
1
Redefine multiple columns (using grep) as factor variables
Hi,
I have a dataframe with around 100 columns. Now I want
to redefine some of the columns as factors (using as.factor).
Luckily all the names of the columns I want to redefine start with
"crast". Thus I thought I can use grep() for that purpose...
...I found an example for redefining a single column as factor
but that is not working with multiple columns I get from grep()...
what I