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All columns in a matrix must have the same mode and the _________ length.(a) Different(b) Same(c) May be the same(d) May be different |
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Answer» Correct option is (b) Same Easiest explanation: All columns in a matrix must have the same mode(numeric, character, etc) and also the same length. byrow=TRUE indicates that the matrix should be filled by rows. byrow=FALSE indicates that the matrix should be filled by columns (the default). |
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