Binary Tree based bracketing system

Using an ActiveRecord scope, recursively query trees.

SVMKit is a machine learninig library in Ruby. SVMKit provides machine learning algorithms with interfaces similar to Scikit-Learn in Python. SVMKit supports Linear / Kernel Support Vector Machine, Logistic Regression, Linear Regression, Ridge, Lasso, Factorization Machine, Naive Bayes, Decision ...

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, Rando...

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

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

Scryglass is a ruby console tool for visualizing and actively exploring objects (large, nested, interrelated, or unfamiliar). You can navigate nested arrays, hashes, instance variables, ActiveRecord relations, and unknown Enumerable types like an expandable/collapsable file tree in an intuitive U...

A gem that adds simple support for organizing ActiveRecord models into parent–children relationships.

A Gem for syntactically correct parse trees of Ruby source

Drag&Drop GUI helper for awesome_nested_set gem. Sortable tree view helper

Drag&Drop GUI for awesom_nested_set. Render Tree Helper. Very fast! Ready for Rails 4

syntax_tree plugin to prevent converting `if` expressions to ternary.

Filter arbitrary data trees with a concise query language.

This Gem eagerly loads trees by indexing the nodes of the tree. The number of queries needed for loading a tree is N, Where N is the number of different models(ActiveRecords) in the tree. Each inner object in the tree have an index node instance that is connecting it to the root. When the root of...

Tools to manipulate DRUID trees and content directories

A library for working with Abstract Syntax Trees.

merkletree - build your own crypto hash trees; named after Ralph Merkle who patented hash trees in 1979; grow your own money on trees

Allows delimited Solr facets to become hierarchical trees in Blacklight.

Drop Zone is a solution to the problem of restricted sales in censored markets. The proposal is for the design of a protocol and reference client that encodes the location and a brief description of a good onto The Blockchain. Those wishing to purchase the good can search for items within a user-...

The Ruby Language Toolkit provides classes for creating context-free grammars, lexers, parsers, and abstract syntax trees.