You trained a model, Accuracy- 98.1%. You test it on real data, the accuracy drops to 62%. And then you dare to blame it on the already known random nature of the real world data. While you don’t want to believe that the culprit is not the data, rather your own model. Let me introduce…
Tag: variance
Variance vs. Standard Deviation: The Drama Queens of Data
Picture This: You and your group of friends go out for coffee every weekend. Everyone usually orders a cappuccino for ₹150. But one week, someone shows up with a ₹500 matcha-latte-sprinkled-with-moon-dust. The bill soars, your wallet cries, and suddenly… your group’s “vibe” feels off. That, dear reader, is variance creeping in. Let’s break it down…