Machine Learning

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Types of Machine Learning

  • Supervised Learning
    • Regression Problem: Continuous valued output.
    • Classification Problem: Discrete valued output.
  • Unsupervised Learning
    • Clustering

Linear Regression

Classification Problem

Cocktail Party Problem

  • Algorithm
    • [W, s, v] = svd((repmat(sum(x.*x, 1), size(x, 1), 1).*x)*x');

$\log yh_\theta(x) + (1-y) \log (1-h_\theta(x))$ comes from Maximum Likelihood Method in Statistics