The generalized variance ratio is a measure of efficiency.
广义方差比是一个效率度量。
It is called variance ratio and the exact relation between variance ratio and correlation coefficient is also built.
并找到了方差比与相关系数之间的内在联系。
The speed of the transportation land and the grassland are the biggest, whose annual variance ratio are 10.1% and 5.5%.
其中交通运输用地和牧草地的变化速度最大，年变化率分别为10.1%和5.5%。
应用推荐