Q. ______ suspends the execution of a function wherever it is called and puts the function in debug mode.

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Q. _______ allows you to modify the error behavior so that you can browse the function call stack.

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Q. Point out the correct statement?

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Q. ________ allows you to insert debugging code into a function a specific places.

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Q. Which of the following is primary tool for debugging?

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Q. Point out the wrong statement?

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Q. __________ prints out the function call stack after an error occurs.

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Q. The recover() function will first print out the function call stack when an _______ occurs.

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Q. What will be the value of following R expression?

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Q. Point out the correct statement?

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Q. Which of the following is valid body of split function?

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Q. The _____ function takes a vector or other objects and splits it into groups determined by a factor or list of factors.

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Q. Point out the correct statement?

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Q. Point out the wrong statement?

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Q. Body of lapply function is?

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Q. lappy functions takes _________ arguments in R language.

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Q. _______ is used to apply a function over subsets of a vector.

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Q. ________ applies a function over the margins of an array.

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Q. Point out the correct statement?

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Q. Which of the following is multivariate version of lapply?

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