MCQs R Vectors 5 March 17, 2021 | No Comments This quiz contains MCQs R Vectors. Online MCQs R Language Test 1. What is the output of the following R code?x <- c("a", "b")as.numeric(x) c) NA NA (Warning message: NAs introduced by coercion) TRUE TRUE 1 2 NAN 2. How can one define ‘undefined value’ in R Language? NaN Inf Und Sup 3. Which of the describe R Language best Paid Free Available for free trial only Testing 4. How one can define ‘infinity’ in R Language? NaN Inf Sup Und 5. Identify the wrong statement: Windows versions of R have other optional help systems also The help.search( ) (or ??) command allows searching for help in various ways R is case insensitive as are most UNIX based packages, so A and a are the same symbols and would refer to same variables $R is used to start the R Program 6. ________ operator is used to create integer sequences. – : ; ~ 7. The following command can be used to print an object “x” in R? print x printf(x) print(x) cout(x) 8. What is the output of the following R code?y <- 0:5vector(y)y 3 Error in vectory(y): invalid ‘mode’ argument 4 1 9. If a command is incomplete at the end of a line, R will give a different prompt, by default it is _____ * / + – 10. What is the output of the following R code? r <- 0:10 r 1 2 3 0 Loading … Share this:TwitterFacebookLinkedInSkypeTumblrPinterestPrintWhatsAppTelegramRedditPocketLike this:Like Loading... Related R Language Quiz
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