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[0:11:09] Using Unlabeled Data to Help Train Naive Bayes Classifier [0:12:06] - EM and Estimating theta [0:21:14] Experiments [0:22:10] - Results: 20 News Groups [0:24:19] - Results: Web-page Classification [0:29:10] - Results: 20 News Groups (2) [0:33:01] Unsupervised Learning [0:34:00] Clustering [0:34:14] - Mixture Disributions [0:38:50] EM For Mixture of Gaussian Clustering [0:41:15] - E-Step [0:42:43] - M-Step [0:47:08] - Putting it together [0:48:44] - Applet [0:50:16] What you should know about EM [0:54:43] Learning Bayes Net Structure [1:01:23] - Chow-Liu ALgorithm [1:07:46] - Example |