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683 B
683 B
The exercice is validated is all questions of the exercice are validated
The question 1 is validated if the scaled train set is as below. And by definition, the mean on the axis 0 should be array([0., 0., 0.]) and the standard deviation on the axis 0 should be array([1., 1., 1.]).
array([[ 0. , -1.22474487, 1.33630621],
[ 1.22474487, 0. , -0.26726124],
[-1.22474487, 1.22474487, -1.06904497]])
The question 2 is validated if the scaled test set is:
array([[ 1.22474487, -1.22474487, 0.53452248],
[ 2.44948974, 3.67423461, -1.06904497],
[ 0. , 1.22474487, 0.53452248]])