Intermediate
Artificial Intelligence & Machine Learning
Q59 / 100
What is concept drift in machine learning?
Correct! Well done.
Incorrect.
The correct answer is B) The change in statistical properties of the target variable over time, causing a deployed model's performance to degrade
B
Correct Answer
The change in statistical properties of the target variable over time, causing a deployed model's performance to degrade
Explanation
Concept drift: P(Y|X) changes over time (e.g., spam content evolves, economic conditions shift). Requires monitoring (data drift, prediction drift), retraining triggers, and online learning or periodic retraining.
Progress
59/100