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Margin Uncertainty Scorer

KNIME LabsActive LearningScoreUncertaintyStreamable
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Calculates the margin uncertainty score of a class probability distribution. Input are rows containing class probabilities that must sum up to 1. The score is calculated as one minus the difference between the two classes with the highest probabilities, i.e., a low difference leads to a high uncertainty.

Node details

Input ports
  1. Type: Table
    Class Probabilities
    Table containing two or more columns containing class probabilities that sum up to 1.
Output ports
  1. Type: Table
    Input Data with Uncertainty Score
    Input data with an appended column that contains the uncertainty score.

Extension

The Margin Uncertainty Scorer node is part of this extension:

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