CHANGELOG.md

0.7.0 (2026-04-14)

• Dropped support for Daru
• Dropped support for Ruby < 3.3

0.6.0 (2025-02-01)

• Dropped support for Ruby < 3.1

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