delete useless file
delete the initial version of LG
strategy test with real data

Its computational performance needs to be boosted.
libsvm
svm方法的主函数

这个部分做的效果很差，原因可能在label的标记质量上
svm module
training set and test set data
test_strategy可看到模型的回测表现
原始素材
已完工的线性模型
demo载入已存在的结果进行演示

run demo(100000,0.5) to see model’s performance.
基于模型的策略改进(uncomplete)