Discrete versus Real AdaBoost
  • References/Python/scikit-learn/Examples/Ensemble methods

This example is based on Figure 10.2 from Hastie et al 2009 [1] and illustrates the difference in performance between the discrete SAMME [2] boosting algorithm

2025-01-10 15:47:30
Gradient Boosting Out-of-Bag estimates
  • References/Python/scikit-learn/Examples/Ensemble methods

Out-of-bag (OOB) estimates can be a useful heuristic to estimate the ?optimal? number of boosting iterations. OOB estimates are almost identical to cross-validation

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Hashing feature transformation using Totally Random Trees
  • References/Python/scikit-learn/Examples/Ensemble methods

RandomTreesEmbedding provides a way to map data to a very high-dimensional, sparse representation, which might be beneficial for classification

2025-01-10 15:47:30
Feature importances with forests of trees
  • References/Python/scikit-learn/Examples/Ensemble methods

This examples shows the use of forests of trees to evaluate the importance of features on an artificial classification task. The red bars are the feature

2025-01-10 15:47:30
OOB Errors for Random Forests
  • References/Python/scikit-learn/Examples/Ensemble methods

The RandomForestClassifier is trained using bootstrap aggregation, where each new tree is fit from a bootstrap sample of the training observations

2025-01-10 15:47:30
IsolationForest example
  • References/Python/scikit-learn/Examples/Ensemble methods

An example using IsolationForest for anomaly detection. The IsolationForest ?isolates? observations by randomly selecting a feature and then randomly selecting

2025-01-10 15:47:30
Pixel importances with a parallel forest of trees
  • References/Python/scikit-learn/Examples/Ensemble methods

This example shows the use of forests of trees to evaluate the importance of the pixels in an image classification task (faces). The hotter

2025-01-10 15:47:30
Partial Dependence Plots
  • References/Python/scikit-learn/Examples/Ensemble methods

Partial dependence plots show the dependence between the target function

2025-01-10 15:47:30
Prediction Intervals for Gradient Boosting Regression
  • References/Python/scikit-learn/Examples/Ensemble methods

This example shows how quantile regression can be used to create prediction intervals.

2025-01-10 15:47:30
Comparing random forests and the multi-output meta estimator
  • References/Python/scikit-learn/Examples/Ensemble methods

An example to compare multi-output regression with random forest and the

2025-01-10 15:47:30