Point Out The Wrong Statement #227
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 Nuts and Bolts and Getting Data In and Out - Reading Datasets - Quiz No.2.
Point out the wrong statement?
is.nan() is used to test objects if they are NA
is.nan() is used to test for NaN
NA values have a class
NA values have a class, so there are integer NA, character NA, etc