data drift

[/ˈdeɪtə drɪft/]
nounpl: data drifts
desvio de dados
1. A phenomenon in machine learning and data science where the statistical properties of input data change over time, causing a trained model's performance to degrade
The recommendation system experienced data drift after the company changed its product catalog, resulting in less accurate predictions.
O sistema de recomendação experimentou desvio de dados após a empresa alterar seu catálogo de produtos, resultando em previsões menos precisas.
2. The gradual shift in the distribution of data features that differs from the training dataset, requiring model retraining or adjustment
Monitoring for data drift is essential to maintain model reliability in production environments.
Monitorar o desvio de dados é essencial para manter a confiabilidade do modelo em ambientes de produção.
This is a specialized technical term primarily used in data science, machine learning, and artificial intelligence communities in both Brazil and the United States. It has become increasingly important as companies rely more on ML models in production. The term is used consistently across both English and Portuguese-speaking tech communities without significant regional variation.
Synonyms / Sinônimos
concept driftdistribution shiftdataset shiftcovariate shiftdata degradation
Antonyms / Antônimos
data stabilitystatistical consistencydistribution stability

Regional Variations

General Brazilian
desvio de dados
Standard technical term used in data science and machine learning contexts
São Paulo
desvio de dados
Commonly used in tech hubs; sometimes referred to as 'drift de dados' in informal contexts
Portugal
desvio de dados
Same terminology used in Portuguese technical contexts; occasionally 'variação de dados'
Rio de Janeiro
desvio de dados
Standard usage in academic and industry settings

Related Words

model degradationfeature driftlabel driftmodel monitoringmodel retrainingmachine learningdata quality

Related Idioms & Phrases

drift detection
drift monitoring
address data drift
mitigate data drift
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