线性回归是利用数理统计中回归分析，来确定两种或两种以上变量间相互依赖的定量关系的一种统计分析方法，运用十分广泛。其表达形式为y = w'x+e，e为误差服从均值为0的正态分布。(Linear regression is a statistical analysis method to determine the quantitative relationship between two or more variables and more than two variables by regres

利用Python对各类数据分析算法进行编写，文档包括数据预处理方法，相关的分类和回归分析的算法理论及实践，以及一些实例应用分析。(Use Python to write various data analysis algorithms, including data preprocessing methods, algorithm theory and practice of related classification and regression analysis, and some app