Which of the following is the normal equation in linear regression? (XXT)1XTY(XTX)1XTY(X1X)TXTY(X1X)1XTY Which of the following is usually not a regression problem? Predicting whether it will rain tomorrow Predicting the house price Predicting the temperature of tomorrow Predicting the company's sales The dataset is D={(1,2),(3,4),(0,0)}. The loss function is L(w)=i=1N(h(x(i))y(i))2. What is the loss of the function hh(x)=2x ? 2 4 6 9 Which of the following is not a gradient descent algorithm? batch gradient descent stochastic gradient descent linear gradient descent mini-batch gradient descent The datacet S=[(1,2),(3,4),(2,2)) is regressed to h(x)=w0+w1x. The loss function is L(w)=31mN(h(x(0))y1(0))2. What is the approximate value of in