Please show all steps and if using identities of any kind please
be explicit... I really want to understand what is going on here
and my professor is useless.
2. Ordinary least squares to implement ridge regression: Show that by using X = X | XI (pxp) [0 (PX₁)], we have T T BLS= ÂLs = (X¹X)-¹Ỹ¹ỹ = Bridge. =