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R Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to R . You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.


Q 1 - Which of the following is the correct statement about R?

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 Answer is : Option D

Q 2 - What is the symbol used to write comments in the R programming language?

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 Answer is : Option C

Q 3 - What will be the output of the given R code? thismatrix <- matrix(c(1,2,3,4,5,6), nrow = 3, ncol = 2) thismatrix

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 Answer is : Option B

Q 4 - In which year Insightful purchased the S language from Lucent for $2 million?

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 Answer is : Option D

Q 5 - Command lines entered at the console are limited to about ________ bytes.

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 Answer is : Option A

Q 6 - The given dataframe is stored in a variable named data. A B 1 Right 2 Wrong 3 Wrong 4 Right 5 Right 6 Wrong 7 Wrong 8 Right data Suppose B is a categorical variable and we wish to draw a boxplot for every level of the categorical level. Which one of the following commands will help us achieve that?

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 Answer is : Option A

Q 7 - Full form of NaN ?

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 Answer is : Option B

Q 8 - What will be the output for given R code: list_data <- list (c ( “One”, “Two”, “Three” ), matrix ( c (3, 10, 15, 14, -2, 18), nrow = 2 ), list ( “green”, 12.3) )

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 Answer is : Option A

Q 9 - Which one of the following is used as the plotting character?

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 Answer is : Option C

Q 10 - The number of atomic vector types does R have?

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 Answer is : Option A