Definition of Estimator

1. Noun. An expert at calculation (or at operating calculating machines).

Exact synonyms: Calculator, Computer, Figurer, Reckoner
Generic synonyms: Expert
Specialized synonyms: Adder, Number Cruncher, Actuary, Statistician, Subtracter
Derivative terms: Calculate, Compute, Computerise, Estimate, Figure, Reckon

Definition of Estimator

1. n. One who estimates or values; a valuer.

Definition of Estimator

1. Noun. A person who estimates, especially one who estimates costs ¹

2. Noun. (mathematics) A function of a random sample of a population used to estimate some parameter of the whole population ¹

¹ Source: wiktionary.com

Definition of Estimator

1. [n -S]

Medical Definition of Estimator

1. A prescription for obtaining an estimate from a random sample of data. An estimator is a procedure, not a result, and therefore is a random variable and has a variance. For instance an estimator of the mean weight in adult men may consist of the prescription "Add up the weights of 100 men and divide by 100." The actual outcome (the estimate) will vary from sample to sample, but one answer will not be a random variable. Least squares estimator, the prescription "Assign to the unknown parameter the value that minimises the mean of the squares of the residual errors". Maximum likelihood estimator, the prescription "Assign to the unknown parameter that value that maximises the likelihood for the sample". For many problems this procedure is an optimal one. (05 Mar 2000)

Lexicographical Neighbors of Estimator

estimable
estimableness
estimablenesses
estimably
estimand
estimands
estimate
estimated
estimated tax
estimated tax return
estimates
estimating
estimation
estimations
estimative
estimator (current term)
estimators
estival
estivate
estivated
estivates
estivating
estivation
estivations
estivator
estivators
estivoautumnal
estoc
estocs
estoile

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