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ES2023-04-03 13:44:55
同学,你好
BLUE的全称是Best Linear Unbiased Estimator
Best——If the estimator has the minimum variance(Best) among all the other linear unbiased estimators.
Linear——estimator is be calculated as a linear function of the sample data
Unbiased——the expected value of the estimator should equal to the parameter of population
efficient是BLUE的其中一个条件(Best)
加油,祝你顺利通过考试~
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