Question

What are the rules to define a variable name in R programming language

Answer 1

• A variable name in R programming language can contain numeric and alphabets along with special characters like dot (.) and underline (-). 
• Variable names in R language can begin with an alphabet or the dot symbol. However, if the variable name begins with a dot symbol it should not be a followed by a numeric digit.

Answer 2

The same rules almost follow for all languages such as.

1. Variable cannot contain 2 words if yes, then should be connected using underscore.

2. Variables cannot have special characters.

3. variables are case sensitive.