Question

.rda extension used when saving data with function __________

(a) save()

(b) save.image()

(c) save and save.image functions

(d) serialize()

The question was asked in an online quiz.

This question is from Textual Data Formats topic in division R – Data Storage, Formats, Objects and Operations of R Programming

Answer 1

The correct choice is (c) save and save.image functions

The explanation is: Save is used for saving an arbitrary number of R objects with a binary format (possibly compressed) to a file. The output of dput() can also be saved directly to a file. Save.Image can be used mostly in R.