Instruction: Explain how you implement automated processes for periodically retraining ML models to maintain or improve performance.
Context: This question assesses the candidate's strategies for maintaining model efficacy through automated retraining processes.
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One example I would use is this: I automate retraining only after defining clear triggers, validation rules, and rollback conditions. Good triggers might include time-based schedules, label accumulation, data-drift thresholds, or business events, but retraining should...