rewrite with features version 2.0

.gitignore

@@ -1,2 +1,3 @@
 *.pyc
+features_archive
 backup

doc/evaluation_results.md

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+
+##features version 1.0 ##
+
+Decision Tree
+Total: 935    Finished: 935    Correct: 460    MicroAVG: 0.491979    MacroAVG: 0.522445
+
+SVM
+Total: 935    Finished: 935    Correct: 454    MicroAVG: 0.485561    MacroAVG: 0.552010
+
+Max Entropy
+Total: 935    Finished: 935    Correct: 654    MicroAVG: 0.699465    MacroAVG: 0.727580
+
+
+
+## features verion 2.0 ##
+
+Decision Tree:
+Total: 935    Finished: 935    Correct: 638    MicroAVG: 0.682353    MacroAVG: 0.719701
+
+Naive Bayes:
+Total: 935    Finished: 935    Correct: 665    MicroAVG: 0.711230    MacroAVG: 0.748701
+
+SVM:
+parameters:
+- kernel function: 'rbf'
+- C=1000.0
+- gamma=0.0001
+
+Total: 935    Finished: 935    Correct: 687    MicroAVG: 0.734759    MacroAVG: 0.772213
+
+Max Entropy:
+parameters:
+- optimize algorithm: 'iis'
+- max_iter: 80
+
+Total: 935    Finished: 935    Correct: 680    MicroAVG: 0.727273    MacroAVG: 0.757359