这是用matlab实现的数据分析和统计程序，包括：用线性回归法估计一个因变量与多个自变量之间的线性关系，用多项式回归法估计一个因变量与一个自变量之间的多项式关系等-This is achieved using matlab data analysis and statistical procedures, including: linear regression estimation one dependent variable with more than a linear relationship between the independent variables, polynomial regression is estimated that a dependent variable and an independent variable of the polynomial relationship between the