Question: 2. Ordinary least squares to implement ridge regression: Show that by using X X [AI (PXP). y = O(px1)] we have BLS = (X X)

2. Ordinary least squares to implement ridge regression: Show that by

using X X [AI (PXP). y = O(px1)] we have BLS =

2. Ordinary least squares to implement ridge regression: Show that by using X X [AI (PXP). y = O(px1)] we have BLS = (X X) -1X y=Bridge

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