Noun
One who estimates or values; a valuer.
Source: Webster's dictionaryI've never been a good estimator of how long things are going to take. Donald Knuth
My very first publication was an estimator - this was a statistical procedure - a kind of invention. My father got a patent and started a business; it wasn't successful, but maybe I have some of him in me. Robert J. Shiller
A choice may have to be made between a biased estimator which is believed to be relatively accurate and an unbiased estimator which is demonstrably highly inefficient, and it is by no means obvious that the latter is always to be preferred. Richard Stone
Also, by the Lehmann–Scheffé theorem the estimator s 2 is uniformly minimum variance unbiased (UMVU), which makes it the "best" estimator among all unbiased ones. Source: Internet
A linear drift removal could be employed using a moment based estimator. Source: Internet
A critical region is the set of values of the estimator that leads to refuting the null hypothesis. Source: Internet