Rumale::Clustering provides cluster analysis algorithms, such as K-Means, Gaussian Mixture Model, DBSCAN, and Spectral Clustering, with Rumale interface.

Rumale is a machine learning library in Ruby. Rumale provides machine learning algorithms with interfaces similar to Scikit-Learn in Python. Rumale supports Support Vector Machine, Logistic Regression, Ridge, Lasso, Multi-layer Perceptron, Naive Bayes, Decision Tree, Gradient Tree Boosting, Random Forest, K-Means, Gaussian Mixture Model, DBSCAN, Spectral Clustering, Mutidimensional Scaling, t-SNE, Fisher Discriminant Analysis, Neighbourhood Component Analysis, Principal Component Analysis, Non-negative Matrix Factorization, and many other algorithms.

Rumale::Decomposition provides matrix decomposition algorithms, such as Principal Component Analysis, Non-negative Matrix Factorization, Factor Analysis, and Independent Component Analysis, with Rumale interface.

Rumale::Ensemble provides ensemble learning algorithms, such as AdaBoost, Gradient Tree Boosting, and Random Forest, with Rumale interface.

Rumale::EvaluationMeasure provides evaluation measures, such as accuracy, precision, recall, and f-score, with Rumale interface.

Rumale::FeatureExtraction provides feature extraction methods, such as TF-IDF and feature hashing, with Rumale interface.

Rumale::KernelApproximation provides kernel approximation algorithms, such as RBF feature mapping and Nystroem method, with Rumale interface.

Rumale::KernelMachine provides kernel method-based algorithms, such as Kernel Support Vector Machine, Kernel Principal Componenet Analysis, and Kernel Ridge Regression, with Rumale interface.

Rumale::LinearModel provides linear model algorithms, such as Logistic Regression, Support Vector Machine, Lasso, and Ridge Regression with Rumale interface.

Rumale::Manifold provides data embedding algorithms, such as Multi-dimensional Scaling, Locally Linear Embedding, Laplacian Eigenmaps, Hessian Eigenmaps, and t-distributed Stochastic Neighbor Embedding, with Rumale interface.

Rumale::MetricLearning provides metric learning algorithms, such as Fisher Discriminant Analysis and Neighboourhood Component Analysis with Rumale interface.

Rumale::ModelSelection provides model validation techniques, such as k-fold cross-validation, time series cross-validation, and grid search, with Rumale interface.

Rumale::NaiveBayes provides naive bayes models, such as Gaussian Naive Bayes, Multinomial Naive Bayes, and Bernoulli Naive Bayes, with Rumale interface.

Rumale::NearestNeighbors provides classifier and regression based on nearest neighbors rule with Rumale interface.

Rumale::NeuralNetwork provides classifiers and regression algorithms based on multi-layer perceptron, radial basis function network, and random vector functional link network in the Rumale interface.

Rumale::Pipeline provides classes for chaining transformers and estimators with Rumale interface.

Rumale::Preprocessing provides preprocessing techniques, such as L2 normalization, standard scaling, and one-hot encoding, with Rumale interface.

Rumale::Tree provides classifier and regression based on decision tree algorithms with Rumale interface.

Rumale::Torch provides the learning and inference by the neural network defined in torch.rb with the same interface as Rumale

Rumale::SVM provides support vector machine algorithms using LIBSVM and LIBLINEAR with Rumale interface.