Difference between revisions of "Machine Learning"

From TedYunWiki
Jump to navigation Jump to search
Line 10: Line 10:
  
 
== Classification Problem ==
 
== 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
 
$\log yh_\theta(x) + (1-y) \log (1-h_\theta(x))$ comes from Maximum Likelihood Method in Statistics

Revision as of 23:38, 19 October 2014

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