Ml::Forest

Ml forest is the standalone implementation of Isolation Forest by Liu et al.

To work properly, a service needs to be introduced (see https://github.com/forest-implementation/ml-service-sort).

This repository comes with the mocked service interface to reference the methods needed.

Installation

First get ruby (e.g. rbenv) and bundler

(Optional) Create your gem

$ bundle gem mygem

Add dependency for the forest

$ bundle add ml-forest --github=forest-implementation/ml-forest

Usage

In your file, import forest and service (we can leverage on the mocked service for now)

require "ml/forest"
require "ml/forest/service/mock"

forest = Ml::Forest::Tree.new([5, 8, 3, 4, 2, 7].map{|x| [x]} , trees_count: 1, forest_helper: Ml::Forest::Service::Mock.new)

pp forest.evaluate_forest([6])
pp forest.evaluate_forest([6.24])

Run the file, e.g.:

$ bundle exec ruby lib/mygem.rb

Test

$ bundle exec rake test

Bug reports and pull requests are welcome on GitHub at https://github.com/forest-implementation/ml-forest/.