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README
Scorystal
Crystal scoring API for Predictive Model Markup Language (PMML).
Currently supports random forest and gradient boosted models.
Will be happy to implement new kinds of models by demand, or assist with any other issue.
Contact me here or at [email protected].
Installation
Add this to your application's shard.yml
:
dependencies:
scorystal:
github: asafschers/scorystal
Usage
require "scorystal"
# Parse PMML file
pmml_text = File.read("spec/pmmls/gbm.pmml")
parsed_pmml = XML.parse(pmml_text, XML::ParserOptions::NOBLANKS)
# Set features hash
json = %({"F1":null,"F2":21371,"F3":"AA"}")
features = Scorystal.features_hash(json)
# Gradient Boosted Model
gbm = Gbm.new(parsed_pmml)
puts gbm.score(features)
# Random Forest
rf = RandomForest.new(parsed_pmml)
puts rf.decisions_count(features)
Contributing
- Fork it ( https://github.com/asafschers/scorystal/fork )
- Create your feature branch (git checkout -b my-new-feature)
- Commit your changes (git commit -am 'Add some feature')
- Push to the branch (git push origin my-new-feature)
- Create a new Pull Request
Contributors
- [asafschers] asaf schers - creator, maintainer