org.apache.spark.ml

Evaluator

abstract class Evaluator extends Identifiable

:: AlphaComponent :: Abstract class for evaluators that compute metrics from predictions.

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BinaryClassificationEvaluator
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Instance Constructors

  1. new Evaluator()

Abstract Value Members

  1. abstract def evaluate(dataset: DataFrame, paramMap: ParamMap): Double

    Evaluates the output.

    Evaluates the output.

    dataset

    a dataset that contains labels/observations and predictions.

    paramMap

    parameter map that specifies the input columns and output metrics

    returns

    metric

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