偏差变量 deviations of variable ; deviation variable
加权离差变量 weighted deviational variable
磁差变量 change of variation
含误差变量模型 errors-in-variables model
称为正偏差变量 positive deviation variable
经典含误差变量 Classical Errors-in-Variables
称为负偏差变量 negative deviation variable
常量变差 variation of constants ; variation of parameters
它接收两个输入变量，并返回这两个数值的差。
It takes two input variables and returns the difference of those two Numbers.
对于连续性变量结局，你需要输入每组的参与者数目、结局的平均值和标准差。
For continuous outcomes, you will need to enter the number of participants, the mean outcome value and the standard deviation for each group.
3方差的专业定义是随机变量的二次中心矩，与期望值之差的平方的加权平均值。
The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.
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