Re: [R] cbind and cbind.data.frame

Short answer: there is a default method used here which returns a matrix. It's defined at the C-level for speed so you don't see it with methods() Longer: cbind() isn't a regular S3 generic since it has no UseMethod(). Look at WRE and R-Internals (internal generics) for more info. Best (and go

[R] cbind and cbind.data.frame

## Hi, I'm having trouble understanding how the cbind function decides what method to apply to its arguments. Easy cut and paste code below. > > > > ## create two columns > c1 <- c("A","A","B","B") > c2 <- 1:4 > > ## cbind outputs a matrix with elements that are characters, seems reasonable