Liblinear

Jul 20, 2023

Library for Large Linear Classification

LIBLINEAR is a linear classifier for data with millions of instances and features. It supports

  • L2-regularized classifiers
  • L2-loss linear SVM, L1-loss linear SVM, and logistic regression LR
  • L1-regularized classifiers after version 1.4
  • L2-loss linear SVM and logistic regression LR
  • L2-regularized support vector regression after version 1.9
  • L2-loss linear SVR and L1-loss linear SVR.

Main features of LIBLINEAR include

  • Same data format as LIBSVM, our general-purpose SVM solver, and also similar usage
  • Multi-class classification 1 one-vs-the rest, 2 Crammer & Singer
  • Cross validation for model evaulation
  • Automatic parameter selection
  • Probability estimates logistic regression only
  • Weights for unbalanced data
  • MATLAB/Octave, Java, Python, Ruby interfaces


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