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,
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.