Question

Point out the wrong statement.

(a) data.table inherits from data.frame

(b) data.table is written in Java

(c) data.table is faster at subsetting and updating data

(d) none of the mentioned

This question was posed to me during a job interview.

Question is from Reading from Web and APIs in portion Getting Data of Data Science

Answer 1

Correct option is (b) data.table is written in Java

To explain: data.table is written in C.