Question

Point out the wrong statement?

(a) When you call unserialize() on an R object, the output will be a raw vector coded in hexadecimal format

(b) serialize() function is the only way to perfectly represent an R object in an exportable format

(c) .rda extension is used when save() function is incorporated

(d) The complement to the textual format is the binary format

I had been asked this question in an internship interview.

This interesting question is from Connection Interfaces in portion R – Data Storage, Formats, Objects and Operations of R Programming

Answer 1

Correct option is (a) When you call unserialize() on an R object, the output will be a raw vector coded in hexadecimal format

Explanation: Output may get sent to a file, but it could get sent over a network or other connection.