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Definition

The PPS is a metric that measures the predictive power of a feature with respect to the label/target. It has similarities with the Pearson correlation coefficient, but can also capture non-linear relationships. The PPS tests allows you to set a threshold on the PPS for a specific feature.

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Taxonomy

  • Category: Integrity.
  • Task types: Tabular classification, tabular regression.
  • Availability: and .

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Why it matters

  • Features with a low PPS score are likely to be redundant and can be removed from the dataset.

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Personal identifiable information (PII)Quasi-constant features