相关系数的中文解释

相关系数量度两个变量(如汇丰控股的股价与恒生指数)同步变动的程度。相关系数为1，代表两个变量亦步亦趋，完全同步波动，而-1则代表两个变量以完全相反的方向变动。

Correlation的英文解释

A statistical tool that measures the degree to which two variables move together. A correlation of 1 means that the two variables move together exactly, while a correlation of minus1 means that the variables move in exactly the opposite direction from each other.