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Solve using R What is the following object? Be as specific and descriptive as possible. x

Solve using R

What is the following object? Be as specific and descriptive as possible. x <- matrix(rnorm(200), nrow = 20, ncol = 10) Verify that the following object is not a matrix. x[,1] Why is it not a matrix? How can you extract the first column of x and ensure that it is a matrix with 20 rows and 1 column?

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