Topic extraction with Non-negative Matrix Factorization and Latent Dirichlet Allocation
  • References/Python/scikit-learn/Examples/Examples based on real world datasets

This is an example of applying Non-negative Matrix Factorization and Latent Dirichlet Allocation on a

2025-01-10 15:47:30
Label Propagation digits active learning
  • References/Python/scikit-learn/Examples/Semi Supervised Classification

Demonstrates an active learning technique to learn handwritten digits using label propagation. We start by training a label propagation model

2025-01-10 15:47:30
Underfitting vs.
  • References/Python/scikit-learn/Examples/Model Selection

This example demonstrates the problems of underfitting and overfitting and how we can use linear regression with polynomial features to approximate nonlinear functions

2025-01-10 15:47:30
Recognizing hand-written digits
  • References/Python/scikit-learn/Examples/Classification

An example showing how the scikit-learn can be used to recognize images of hand-written digits. This example is commented in the

2025-01-10 15:47:30
SVM with custom kernel
  • References/Python/scikit-learn/Examples/Support Vector Machines

Simple usage of Support Vector Machines to classify a sample. It will plot the decision surface and the support vectors.

2025-01-10 15:47:30
Robust Scaling on Toy Data
  • References/Python/scikit-learn/Examples/Preprocessing

Making sure that each Feature has approximately the same scale can be a crucial preprocessing step. However, when data contains outliers,

2025-01-10 15:47:30
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
Train error vs Test error
  • References/Python/scikit-learn/Examples/Model Selection

Illustration of how the performance of an estimator on unseen data (test data) is not the same as the performance on training data. As the regularization increases

2025-01-10 15:47:30
Out-of-core classification of text documents
  • References/Python/scikit-learn/Examples/Examples based on real world datasets

This is an example showing how scikit-learn can be used for classification using an out-of-core approach: learning from data that doesn?t fit into

2025-01-10 15:47:30
Cross-validation on Digits Dataset Exercise
  • References/Python/scikit-learn/Examples/Tutorial exercises

A tutorial exercise using Cross-validation with an SVM on the Digits dataset. This exercise is used in the

2025-01-10 15:47:30