Point Out The Wrong Statement #280
Point out the wrong 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.1.
Point out the wrong statement?
$ operator semantics are similar to that of [[
The [ operator always returns an object of the same class as the original
The $ operator is used to extract elements of a list or a data frame
There are three operators that can be used to extract subsets of R objects
