Question: using r code please 4. Given the matrices X and Y 1 2 1 3 6 9 23 25 X = 5 1 6 14

using r code please using r code please 4. Given the matrices X and Y 1

4. Given the matrices X and Y 1 2 1 3 6 9 23 25 X = 5 1 6 14 17 evaluate (using R) the expression 8 = (X"x)-'XTY. What is the di- mension of B? Also, plot the points (212,y), (222, y2),..., (E52, ys) as well as the line y B12 + Bo. What do you observe? Compare this with the output of Im(y ~ x) where the z-values are 2, 3, 5, 6, 4 and the y-values are 6, 9, 23, 25, 17

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