中文说明：是小学期课程设计的题目，进行逐步线性回归，对于初学者具有参考意义，这个有中文注释，看得明白，包括主成分分析、因子分析、贝叶斯分析，是本科毕设的题目。
English Description：
Is primary phase of the curriculum design topic, by stepwise regression, for beginners has reference significance, the Chinese notes, to understand it, including principal component analysis, factor analysis, Bayesian analysis, undergraduate graduation design topic.