Last Updated
：2025/12/07
concept drift
Noun
countable
uncountable
Japanese Meaning
統計モデルや機械学習モデルが、実世界の条件下で時間経過とともにその精度（正確さ）が徐々に低下していく現象。
（ plural ）
Quizzes for review
(statistics, machine learning) The tendency of a statistical model to become less and less accurate over time in real-world conditions.
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concept drift
The team detected concept drift when the fraud detection model's performance declined over several months.
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The team detected concept drift when the fraud detection model's performance declined over several months.
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