| Name | Description | Type | Package | Framework |
| CrossValidator | K-fold cross validation. | Class | org.apache.spark.ml.tuning | Apache Spark |
| CrossValidatorModel | Model from k-fold cross validation. | Class | org.apache.spark.ml.tuning | Apache Spark |
| ParamGridBuilder | Builder for a param grid used in grid search-based model selection. | Class | org.apache.spark.ml.tuning | Apache Spark |
| TrainValidationSplit | Validation for hyper-parameter tuning. | Class | org.apache.spark.ml.tuning | Apache Spark |
| TrainValidationSplitModel | Model from train validation split. | Class | org.apache.spark.ml.tuning | Apache Spark |