线性拟合结果中各参数的含义 A: Intercept value and its standard error. 截距值及它的标准误差 B: Slope value and its standard error. 斜率值及它的标准误差 R: Correlation coefficient. 相关系数 p: value - Probability (that R is zero). R=0的概率 N: Number of data points. 数据点个数 SD: Standard deviation of the fit. 拟合的标准偏差