Question

A ________________ in R programming language can also contain numeric and alphabets along with special characters like dot and underline.

(a) Variable name

(b) Number

(c) Integer

(d) Character

This question was addressed to me during an interview for a job.

My question is from Functions topic in division Control Structures, Functions, Scoping Rules, Loop Functions and Debugging of R Programming

Answer 1

The correct choice is (a) Variable name

To explain I would say: A variable name in R programming language can also contain numeric and alphabets along with special characters like a dot and underline. Variable names in R language can begin with an alphabet and also the dot symbol.