Nested ifelse statement

Question

I\'m still learning how to translate a SAS code into R and I get warnings. I need to understand where I\'m making mistakes. What I want to do is create a variable which summ

Answer 1

You can create the vector idnat2 without if and ifelse.

The function replace can be used to replace all occurrences of "colony" with "overseas":

idnat2 <- replace(idbp, idbp == "colony", "overseas")