Point Out The Correct Statement #287
Point out the correct statement?
This multiple choice question (MCQ) is related to the book/course gs gs110 R Language. It can also be found in gs gs110 R - Data Storage, Formats, Objects and Operations - Subsetting - Quiz No.2.
Point out the correct statement?
You can also use the $ operator to extract elements by name
$ operator can be used with computed indices
The [[ operator can only be used with literal names
$ operator semantics are similar to that of [[