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CHANGELOG.md

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0.5.0 (2023-07-02)

  • Dropped support for Ruby < 3

0.4.1 (2022-09-28)

  • Fixed cannot load such file -- matrix error with Ruby 3.1

0.4.0 (2022-09-02)

  • Fixed stack level too deep error with many rows
  • Dropped support for gsl gem (use gslr instead)
  • Dropped support for Ruby < 2.7

0.3.9 (2021-10-14)

  • Fixed error with lessOrEqual operator

0.3.8 (2021-02-08)

  • Fixed error with categorical and text features

0.3.7 (2020-11-23)

  • Fixed error with LightGBM summary

0.3.6 (2020-06-19)

  • Fixed error with text features for LightGBM

0.3.5 (2020-06-10)

  • Added learning_rate option for LightGBM
  • Added support for Numo and Rover

0.3.4 (2020-04-05)

  • Added predict_probability for classification

0.3.3 (2020-02-24)

  • Fixed errors and incorrect predictions with boolean columns
  • Fixed deprecation warnings in Ruby 2.7

0.3.2 (2019-12-08)

  • Added support for GSLR

0.3.1 (2019-12-06)

  • Added weight option for LightGBM and linear regression
  • Added intercept option for linear regression
  • Added LightGBM evaluator safety check
  • Fixed Unknown label error for LightGBM
  • Fixed error message for unstable solutions with linear regression

0.3.0 (2019-09-05)

  • Added support for LightGBM
  • Added text features
  • Fixed naive Bayes PMML
  • Fixed error with classification and Daru

Breaking

  • LightGBM is now the default for new models
  • Cross-validation happens automatically by default
  • Removed support for JSON and PFA formats
  • Added smoothing to naive Bayes

0.2.1 (2019-05-19)

  • Fixed error with summary
  • Fixed error with predict in Eps::Base
  • Fixed error with loaded classification models

0.2.0 (2019-05-19)

  • Added support for classification
  • Added to_pmml method
  • Added Eps::Base

0.1.1 (2018-07-05)

  • Huge performance boost

0.1.0 (2018-07-03)

  • First release