word
Data Drift
DAY-tah drift
/ˈdeɪtɑː drɪft/Listen
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Syllable breakdown
datadrift
Dictionary meaning
A change in the statistical properties of the input data a model receives in production compared to the data it was trained on, leading to degraded model performance
History and origin
Also called covariate shift or input drift
Examples
- Seasonal behaviour caused significant data drift that required monthly model retraining.
- Data drift detection is a core component of robust model monitoring systems.
Synonyms: covariate shift, feature drift, input drift
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