Feature Engineering: Data scientist's Secret Sauce !


It is very tempting for data science practitioners to opt for the best known algorithms for a given problem.However It's not the algorithm alone, which can provide the best solution; Model built on carefully engineered and selected features can provide far better results. "Any intelligent fool can make things bigger, more complex, and more violent. It takes a touch of genius -- and a lot of courage -- to move in the opposite direction."- The complex models are not easily interpretable and tougher to tune. Simpler algorithms, with better features or more data can perform far better than a weak assumption accompanied with a complex model.

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