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The goal of backpropagation is to compute the partial derivatives ∂C/∂w and ∂C/∂b of the cost function C with respect to any weight ww or bias b in th 阅读全文
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What is Data Leakage¶ Data leakage is one of the most important issues for a data scientist to understand. If you don't know how to prevent it, leakag 阅读全文
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The Cross-Validation Procedure In cross-validation, we run our modeling process on different subsets of the data to get multiple measures of model qua 阅读全文