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Question No.27749

What Is The Function Used To Test Objects Returns A Logical #48

What is the function used to test objects (returns a logical operator) if they are NA?

Online Quiz This multiple choice question (MCQ) is related to the book/course gs gs110 R Language. It can also be found in gs gs110 History, Overview - Overview of R - Quiz No.3.

What is the function used to test objects (returns a logical operator) if they are NA?
is.na()
is.nan()
as.na()
as.nan()

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