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 - Command lines entered at the console are limited to about ________ bytes. |
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Answer is : Option A |
Q 2 - Which function is used to find the current date in R? |
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Answer is : Option A |
Q 3 - Which symbol is used to assign a variable? |
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Answer is : Option D |
Q 4 - What will be a, for the given R code? a = seq (100,to = 1000, by = 20) |
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Answer is : Option C |
Q 5 - The function which gives the length and height of the current figure in inches? |
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Answer is : Option C |
Q 6 - Which one of the given commands will convert the following dataframe named maverick into the one shown at the bottom? Input Dataframe – “maverick” Grade Male Female A 10 15 B 20 15 A 30 35 Output dataframe Grade Sex Count A Male 10 A Female 15 B Male 30 B Female 15 A Male 30 A Female 35 |
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Answer is : Option B |
Q 7 - Based on functionality the R is divided into number of __________ . |
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Answer is : Option C |
Q 8 - What will be the output of the following R code? thislist <- list("apple", "banana", "cherry") "apple" %in% thislist |
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Answer is : Option B |
Q 9 - The function which draws an axis on the current plot? |
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Answer is : Option A |
Q 10 - Find out the correct answer to the given code? abs(-4.7) |
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Answer is : Option B |