Suppose the object M is a matrix with three variables X1, X2, and X3. The following...

Question

Question

Suppose the object M is a matrix with three variables X1, X2, and X3.

The following command calculates means of the three variables:

Question 7 options:

apply(M, 2, mean)

apply(M, c(“X1”, “X2”, “X3”), mean)

apply(M, 1, mean)

engineering Computer-Science

Answer 1

Answer #1

Suppose the object M is a matrix with three variables X1, X2, and X3.

command calculates means of the three variables is

apply(M, c(“X1”, “X2”, “X3”), mean)

apply(M, c(“X1”, “X2”, “X3”), mean)

Answer 2

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