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A _________ is a two-dimensional rectangular data set.

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A _________ is a two-dimensional rectangular data set. (a) Vector (b) Lists (c) Matrix (d) Functions I had been asked this question in an internship interview. This interesting question is from Data Types topic in division Nuts and Bolts and Getting Data In and Out of R Programming Select the correct answer from above options

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The correct choice is (c) Matrix For explanation I would say: A matrix is a two-dimensional rectangular data set. It can be created using the vector input to a matrix function. The labels are always character irrespective of whether it is numeric or character and also Boolean etc in the vector.

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