Day 21　Art and Science of Machine Learning (cont.) - iT 邦幫忙::一起幫忙解決難題，拯救 IT 人的一天

第 11 屆 iThome 鐵人賽

DAY 21

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Google Developers Machine Learning

ML Study Jam Journey系列第 21 篇

Day 21　Art and Science of Machine Learning (cont.)

11th鐵人賽

2019-10-05 23:48:09

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Logistic Regression

Use Cross Entropy typically
Two problems
1. Weights will be driven to -inf and +inf the longer we train
2. Near the asymptotes, gradient is really small

Often do both regularization and early stopping to counteract overfitting

ROC curve - Choose the decision threshold based on decision criteria
AUC - Provides total measure of performance across all possible classification thresholds

Day 20　Art and Science of Machine Learning (cont.)

Day 22　Art and Science of Machine Learning (cont.)

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