Q. The only environment without a parent is the ________ environment.

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Q. The ________ for R are the main feature that make it different from the original S language.

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Q. The _________ function is a kind of “constructor function” that can be used to construct other functions.

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Q. ________ functions can be “built which contain all of the necessary data for evaluating the function.

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Q. Point out the wrong statement?

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Q. Which of the following language supports lexical scoping?

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Q. _________ require you to pass a function whose argument is a vector of parameters.

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Q. Point out the correct statement?

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Q. The _________ function is used to plot negative likelihood.

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Q. ________ loop over a list and evaluate a function on each element.

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Q. Point out the wrong statement?

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Q. __________ function is same as lapply in R.

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

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Q. Point out the correct statement?

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

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

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Q. lappy functions takes _________ arguments in R language.

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Q. Body of lapply function is?

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Q. Point out the wrong statement?

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Q. Point out the correct statement?

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