Part 2 · Chapter 8

Ensemble Methods

Explains how bagging, random forests, and boosting combine models to improve predictive performance, robustness, and interpretability.

Chapter map

What this chapter develops

  • Bias and variance
  • Bagging
  • Random forests
  • Boosting
  • Out-of-bag evaluation
  • Feature importance and interpretation

Engineering practice

Application and Diamond Examples

  1. 01

    Bagging for steel plate quality control

  2. 02

    Random forest for equipment failure prediction

  3. 03

    Gradient boosting for fault detection

  4. 04

    Evaluating and interpreting a random forest

Companion materials

Portal resources