Question

How to combine 2 fields in a data frame to create a new field?

Answer 1

Use paste command or append function to join 2 fields in a data frame.

I used simple r variables, the method will remain the same for fields as well.

> a=3
> b=5
> paste(a,b)
[1] "3 5"
> append(a,b)
[1] 3 5