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Which function replicates elements of vectors?

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Which function replicates elements of vectors?

(a) C

(b) Rep

(c) Crep

(d) Grep

I have been asked this question in examination.

I'd like to ask this question from Data Types topic in portion Nuts and Bolts and Getting Data In and Out of R Programming

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Correct choice is (b) Rep

Explanation: The rep function replicates elements of vectors. The seq function creates a regular sequence of values to form a vector. The four most frequently used types of data objects in R are vectors, matrices, data frames and lists.

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