J Test, Regression, Model Selection, Statistics, Deep Dives.
R-squared (0.272) of model B is much smaller than that of model A (0.639). It appears to be a slam-dunk case for model A over model B. Other goodness-of-fit measures also seem to be favoring model A over model B. Log-likelihood of model A (-292.91) is higher than that of B (-349.43). AIC score of