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Partial Correlation

Partial correlation, or conditional correlation, is a way to test for correlation between two variables, X and Y, given a third, Z. This technique is often useful in causal research when trying to discover confounding relationships.

Area Under the Curve

Area Under the Curve (AUC) for the receiver operating characteristic (ROC) and precision-recall (PR) curves are two semi-proper scoring rules for judging classification performance of machine learning techniques. Understand how these curves are created and how to interpret them.