Commit Graph

6 Commits

Author SHA1 Message Date
Arkadiusz Kondas
1a856c9099
Fix division by zero in ANOVA for small size dataset (#391) 2019-06-22 22:54:47 +02:00
Marcin Michalski
db82afa263 Update to phpunit 8 and bump min php to 7.2 (#367)
* Update to phpunit 8

* Require at least PHP 7.2
2019-04-10 20:42:59 +02:00
Arkadiusz Kondas
998879b6fc Switch SelectKBest constructor parameters 2018-02-14 20:34:53 +01:00
Arkadiusz Kondas
9e5b3a0c69 Implement first regression scoring function UnivariateLinearRegression 2018-02-14 20:34:53 +01:00
Arkadiusz Kondas
fbf84ca95f Implement SelectKBest algo for feature selection 2018-02-14 20:34:53 +01:00
Arkadiusz Kondas
3ba35918a3
Implement VarianceThreshold - simple baseline approach to feature selection. (#228)
* Add sum of squares deviations

* Calculate population variance

* Add VarianceThreshold - feature selection transformer

* Add docs about VarianceThreshold

* Add missing code for pipeline usage
2018-02-10 18:07:09 +01:00