estimator
英 [ˈestɪmeɪtər]
美
- n. [统计] 估计量；评价者
记忆方法
1. estimate => estim- + -ator.
英语词源
- estimator (n.)
- 1660s, from Latin aestimator, agent noun from aestimare "to value" (see esteem (v.)).
权威例句
- 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.
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