= 2011-01-12 =

 * Machine Learning Models
  * generative models 
    * 需要完整的資料關聯 
    * 可以使用取樣的方式來得到分佈情形
    * Ex. Naive Bayes, Gaussian mixture
  * discriminative models 
    * 不需要完整的資料關聯 
    * Ex. SVMs (Support Vector Machine), !AdaBoost