J Test, Regression, Model Selection, Statistics, Deep Dives.
as follows: The test statistic for the F-test (Image by Author) In the above formula, RSS_a = residual sum of squares (also known as the residual errors) of fitted model A. RSS_d = residual sum of squares of fitted model B. k_a = number of parameters of model A (k_a=8) k_d = number of parameters of