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
Pipelining
  • References/Python/scikit-learn/Examples/General examples

The PCA does an unsupervised dimensionality reduction, while the logistic regression does the prediction. We use a GridSearchCV to

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
Libsvm GUI
  • References/Python/scikit-learn/Examples/Examples based on real world datasets

A simple graphical frontend for Libsvm mainly intended for didactic purposes. You can create data points by point and click and visualize the decision region induced by different

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
One-class SVM with non-linear kernel
  • References/Python/scikit-learn/Examples/Support Vector Machines

An example using a one-class SVM for novelty detection.

2025-01-10 15:47:30
Pipeline Anova SVM
  • References/Python/scikit-learn/Examples/Feature Selection

Simple usage of Pipeline that runs successively a univariate feature selection with anova and then a C-SVM of the selected features.

2025-01-10 15:47:30
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 agglomeration vs. univariate selection
  • References/Python/scikit-learn/Examples/Clustering

This example compares 2 dimensionality reduction strategies: univariate feature selection with Anova feature

2025-01-10 15:47:30
Lasso path using LARS
  • References/Python/scikit-learn/Examples/Generalized Linear Models

Computes Lasso Path along the regularization parameter using the LARS algorithm on the diabetes dataset. Each color represents a different feature of the coefficient vector

2025-01-10 15:47:30