Data Drift Report

Drift Report service creates a statistical report based on a comparison of training and production data distributions. It compares these two sets of data by a set of statistical tests and finds deviations.

Drift report uses multiple different tests with p=.95 for different features:

Numerical features:

  • Levene's test with a trimmed mean

  • Welch's t-test

  • Mood's test

  • Kolmogorovโ€“Smirnov test

Categorical features:

  • Chi-Square test

  • Unseen categories

Supported Models

Right now Drift Report feature works only for Models with numerical scalar fields.

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