where Y p is the outcome value for the p-th observation (e.g., p-th person), X 1p is the value of the first predictor for the p-th observation, X 2p is the value of the second predictor for the p-th o...where Y p is the outcome value for the p-th observation (e.g., p-th person), X 1p is the value of the first predictor for the p-th observation, X 2p is the value of the second predictor for the p-th observation, the b 1 , b 2 and b 0 terms are our regression coefficients, and ϵ p is the p-th residual.
