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Decision tree To deal with nonlinear classification Greedy Top-down Recursive Partitioning ask questions to divide the entire space into independent r 阅读全文
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deep learning computationally expensive data algorithm logistic regression e.g.1 find a cat in the image input : suppose image 64*64, input vector x: 阅读全文
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Learning Theory Assumption data in training set and test set are from the same distribution all samples are sampled independently Learning Algorithm i 阅读全文
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Data splits, Models and Cross Validation Bias and Variance Bias: wrong thought about how to fit the data Variance: changing original dataset cause a g 阅读全文