is there a way to extend LETTERS past 26 characters e.g., AA, AB, AC…?

Question

I use LETTERS most of the time for my factors but today I tried to go beyond 26 characters:

LETTERS[1:32]

Expecting there to be an automati

Answer 1

You can make what you want like this:

LETTERS2<-c(LETTERS[1:26], paste0("A",LETTERS[1:26]))