lib/svmkit/preprocessing/min_max_scaler.rb in svmkit-0.2.9 vs lib/svmkit/preprocessing/min_max_scaler.rb in svmkit-0.3.0

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
+require 'svmkit/validation'
 require 'svmkit/base/base_estimator'
 require 'svmkit/base/transformer'
 
 module SVMKit
   # This module consists of the classes that perform preprocessings.