弘扬中华文化·传承国学经典

estimator是什么意思

estimator

英 ['estɪmeɪtə] 美 ['ɛstə,metɚ]

n. [统计] 估计量；评价者

助记提示

1. estimate => estim- + -ator.

英文词源

estimator (n.): 1660s, from Latin aestimator, agent noun from aestimare "to value" (see esteem (v.)).

双语例句

1. An estimator is a random variable.: 估计量是一个随机变量.

2. When the estimator is unbiased, the numerical estimate is frequently also called unbiased.: 当估计量无偏时, 数字估计值也常叫做无偏的.

3. Is it possible for an estimator to be unbiased but inconsistent?: 是否有可能(一个估计量)是无偏却不一致的?

4. We are discussing whether OLS estimator satisfy asymptotic normality.: 我们讨论是否OLS估计量满足渐近正态性.

5. The performance of DOA estimator is studied via Monte Carlo simulations.: 仿真结果验证了该方法的有效性.