Question

Which are indexed by either row or column using a specific name or number?

(a) Datasets

(b) Data frames

(c) Data

(d) Functions

The question was asked in an internship interview.

I'd like to ask this question from Data Types in chapter Nuts and Bolts and Getting Data In and Out of R Programming

Answer 1

Correct answer is (b) Data frames

To explain: Data frames can be indexed by either row or column using a specific name (that corresponds to either the row or column) or a number.