Information Criteria: AIC, BIC & Mallows' Cp – Practice Quiz

Explore Information Criteria: AIC, BIC & Mallows' Cp through 20 original single-select and multiselect questions, from core understanding to worked applications, assumption checks and advanced diagnostic challenges.

Prerequisites: linear regression, matrix algebra, calculus, bias-variance reasoning and the preceding Part 22 material.

Practice goals: Define comparable AIC and BIC scores and parameter counts; Assess likelihood comparability and noise estimation; Compute criteria, differences and relative weights; Diagnose search, transformation and interpretation failures; Evaluate asymptotic claims and selection-aware assessment; Interpret Cp and its sampling behavior. Explanations work through the reasoning and address the alternatives.

Further reading: linear_model.