estimator

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es·ti·mate

(ĕs′tə-māt′)
tr.v. es·ti·mat·ed, es·ti·mat·ing, es·ti·mates
1. To calculate approximately (the amount, extent, magnitude, position, or value of something).
2. To form an opinion about; evaluate: "While an author is yet living we estimate his powers by his worst performance" (Samuel Johnson).
n. (-mĭt)
1.
a. A tentative evaluation or rough calculation, as of worth, quantity, or size: an estimate of the damage caused by the storm.
b. A statement of the approximate cost of work to be done, such as a building project or car repairs.
2. A judgment based on one's impressions; an opinion: I have a high estimate of his character.

[Latin aestimāre, aestimāt-.]

es′ti·ma′tor n.
Synonyms: estimate, appraise, assess, evaluate, rate1
These verbs have to do with the consideration of judgment in ascertaining value or weighing the relative merits of something: estimated the street value of the drugs to be \$500,000; appraised the diamond ring; assessing real estate for investors; evaluated a student's thesis for content and organization; rated the restaurant higher than any other in the city.

estimator

(ˈɛstɪˌmeɪtə)
n
1. a person or thing that estimates
2. (Statistics) statistics a derived random variable that generates estimates of a parameter of a given distribution, such as ̄X, the mean of a number of identically distributed random variables Xi. If ̄X is unbiased, ̄x, the observed value should be close to E(Xi). See also sampling statistic
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 estimator - an expert at calculation (or at operating calculating machines)expert - a person with special knowledge or ability who performs skillfullyadder - a person who adds numbersnumber cruncher - someone able to perform complex and lengthy calculationsactuary, statistician - someone versed in the collection and interpretation of numerical data (especially someone who uses statistics to calculate insurance premiums)subtracter - a person who subtracts numbers
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