1. newton's method
牛顿逼近法
2.Generalized linear model
http://en.wikipedia.org/wiki/Generalized_linear_model
3.sufficient statistic
http://en.wikipedia.org/wiki/Sufficient_statistic
4.indicator function
http://en.wikipedia.org/wiki/Indicator_function
5.softmax regression
http://ufldl.stanford.edu/wiki/index.php/Softmax_Regression