machine-learning-Ng
Machine Learning; Coursera; Stanford; Andrew Ng
Finished.
Summary:
- Supervised Leaning
- Linear regression, logistic regression, neural networks, SVMs
- Unsupervised Learning
- K-means, PCA, Anomaly detection
- Special applications/special topics
- Reconmmender systems, large scale machine learning
- Advice on building a ML system
- Bias/variance, regularization; deciding what to work on next: evaluation of learning algorithms, learning curves, error analysis, F1 score, ceiling analysis
Weekly summary:
W1: Linear regression
W2: Linear regression with multiple variables
W3: Logistic regression; Regularization
W4/5: Neural Networks; FF; BP;
W6: Validation; Learning curve; regularizaiton with bias and variance; Error metrics(F1 score; precision; recall; accuracy)
W7: SVM
W8: unsupervised, Clustering and PCA
W9: Anomaly Detection; Recommerder systems
W10: Large scale ML: Stochastic gradient descent; Online learning
W11: photo OCR; artificial data; Ceiling analysis