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