Re: [R] Merging by factor variables

H Roark wrote: I'm wondering about the behavior of the merge function when using factors as by variables. I know that when you combine two factors using c() the results can be odd, as in: c(factor(1:5),factor(6:10)) which prints: [1] 1 2 3 4 5 1 2 3 4 5 I presume this is because factors ar

[R] Merging by factor variables

I'm wondering about the behavior of the merge function when using factors as by variables. I know that when you combine two factors using c() the results can be odd, as in: c(factor(1:5),factor(6:10)) which prints: [1] 1 2 3 4 5 1 2 3 4 5 I presume this is because factors are actually stored