AI dictionary · MLOps and deployment
What is Concept drift?Concept drift kya hai?
Concept drift: When the relationship between inputs and the right answer changes over time, so a trained model gets worse.Jab inputs aur sahi jawaab ka rishta waqt ke saath badal jaata hai, aur trained model kharab hone lagta hai.
🧸 Think of it likeAise samjho
Like a shopkeeper whose old rule 'people buy umbrellas in June' stops working because the monsoon now starts in July.Jaise dukaandaar ka purana rule 'June mein log chhaate khareedte hain' kaam karna band kar de kyunki ab monsoon July mein aata hai.
📘 ExplainedVistaar se
The inputs may look the same, but what they mean has changed, for example fraudsters change tactics or customer preferences shift after a price change. Detect it by tracking real performance when labels arrive, plus proxy signals. Fix it by retraining on recent data, sometimes with new features.Inputs same dikh sakte hain, par unka matlab badal gaya hai, jaise fraudsters tarike badalte hain ya price change ke baad customers ki pasand badalti hai. Labels aane pe asli performance track karke aur proxy signals se pakdo. Haal ke data pe retrain karke theek karo, kabhi naye features ke saath.
💡 Real exampleAsli example
A fraud model trained before UPI scams became common misses the new pattern.UPI scams common hone se pehle train hua fraud model naya pattern miss kar deta hai.
📖 Learn it step by stepStep by step seekho
🔗 Related termsJude hue shabd
Questions people ask
What is Concept drift?
When the relationship between inputs and the right answer changes over time, so a trained model gets worse. The inputs may look the same, but what they mean has changed, for example fraudsters change tactics or customer preferences shift after a price change. Detect it by tracking real performance when labels arrive, plus proxy signals. Fix it by retraining on recent data, sometimes with new features.
How can I understand Concept drift in simple words?
Like a shopkeeper whose old rule 'people buy umbrellas in June' stops working because the monsoon now starts in July.
What is an example of Concept drift?
A fraud model trained before UPI scams became common misses the new pattern.
Concept drift ka matlab kya hai?
Jab inputs aur sahi jawaab ka rishta waqt ke saath badal jaata hai, aur trained model kharab hone lagta hai. Jaise dukaandaar ka purana rule 'June mein log chhaate khareedte hain' kaam karna band kar de kyunki ab monsoon July mein aata hai.
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