J Test, Regression, Model Selection, Statistics, Deep Dives.
model A (601.8) is lower than that of model B (714.9). With AIC scores, a lower score is better. In this case, it does not look like there is much competition between A and B. But imagine a scenario where model B’s R-squared, and Log-LL, and AIC score happened to be similar to those of A. In such a