[Fri Oct 10 23:23:51 CST 2014]: update AdaBoost model
[Fri Oct 10 23:23:51 CST 2014]: update Conjugate Gradient routine
[Fri Oct 10 23:23:51 CST 2014]: update common.py
[Fri Oct 10 23:23:51 CST 2014]: update ID3 decision tree
[Fri Oct 10 23:23:51 CST 2014]: update logistic regression
[Fri Oct 10 23:23:51 CST 2014]: update README.md
[Fri Oct 10 23:23:51 CST 2014]: update linear regression
[Fri Oct 10 23:23:51 CST 2014]: update softmax regression