Model performance tradeoffs

Supervised Learning in R: Classification

Brett Lantz

Instructor

Understanding ROC curves

Random Data

ROC Diagram

Baseline ROC Curve

Improved ROC Curve

Supervised Learning in R: Classification

Area under the ROC curve

A Comparison of AUC Values

Supervised Learning in R: Classification

Using AUC and ROC appropriately

Same AUC, Different ROC

Supervised Learning in R: Classification

Let's practice!

Supervised Learning in R: Classification

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