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Fit a small multilayer perceptron with early stopping; compare with boosting. Concepts: Layers, activations, learned weights; scaling; early stopping Project A: Usually below boosting on 800 rows. Project B: Competitive only with careful features and scaling.
Builds on: B17 路 Build: Fit a Line with Gradient Descent (calculus in action), B18 路 Build: Spam Classifier with Probabilities (sigmoid, softmax, cross-entropy)