# Package opennlp.tools.util.eval

package opennlp.tools.util.eval

- Related Packages
  Package
  Description
  opennlp.tools.util
  Package containing utility data structures and algorithms used by multiple other packages.
- Class
  Description
  CrossValidationPartitioner<E>
  Provides access to training and test partitions for n-fold cross validation.
  CrossValidationPartitioner.TrainingSampleStream<E>
  The `CrossValidationPartitioner.TrainingSampleStream` which iterates over all training elements.
  EvaluationMonitor<T>
  Evaluator<T>
  An abstract base class for evaluators.
  FMeasure
  The `FMeasure` is a utility class for `evaluators` which measures precision, recall and the resulting f-measure.
  Mean
  Calculates the arithmetic mean of values added with the `Mean.add(double)` method.