# Uses of Package
org.apache.ignite.ml.selection.scoring.evaluator.aggregator

- Packages that use org.apache.ignite.ml.selection.scoring.evaluator.aggregator
  Package | Description
  --- | ---
  org.apache.ignite.ml.selection.scoring.evaluator.aggregator | Package contains aggregators for metrics computation.
  org.apache.ignite.ml.selection.scoring.metric | Package for metrics.
  org.apache.ignite.ml.selection.scoring.metric.classification | Package for classification metrics.
  org.apache.ignite.ml.selection.scoring.metric.regression | Package for regression metrics.

- Classes in org.apache.ignite.ml.selection.scoring.evaluator.aggregator used by org.apache.ignite.ml.selection.scoring.evaluator.aggregator
  Class and Description
  BinaryClassificationPointwiseMetricStatsAggregator This class represents statistics for pointwise metrics evaluation for binary classification like TruePositive, FalsePositive, TrueNegative and FalseNegative.
  ClassificationMetricsAggregator Class represents aggregations for classification metric (including multi-classification case).
  MetricStatsAggregator Classes with such interface are responsible for metric statistics aggregations used for metric computations over given dataset.
  RegressionMetricStatsAggregator Class represents statistics aggregator for regression estimation.

- Classes in org.apache.ignite.ml.selection.scoring.evaluator.aggregator used by org.apache.ignite.ml.selection.scoring.metric
  Class and Description
  MetricStatsAggregator Classes with such interface are responsible for metric statistics aggregations used for metric computations over given dataset.

- Classes in org.apache.ignite.ml.selection.scoring.evaluator.aggregator used by org.apache.ignite.ml.selection.scoring.metric.classification
  Class and Description
  BinaryClassificationPointwiseMetricStatsAggregator This class represents statistics for pointwise metrics evaluation for binary classification like TruePositive, FalsePositive, TrueNegative and FalseNegative.
  ClassificationMetricsAggregator Class represents aggregations for classification metric (including multi-classification case).

- Classes in org.apache.ignite.ml.selection.scoring.evaluator.aggregator used by org.apache.ignite.ml.selection.scoring.metric.regression
  Class and Description
  RegressionMetricStatsAggregator Class represents statistics aggregator for regression estimation.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022