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2. Estimator - Wikipedia

   en.wikipedia.org/wiki/Estimator

   An "estimator" or "point estimate" is a statistic (that is, a function of the data) that is used to infer the value of an unknown parameter in a statistical model. A common way of phrasing it is "the estimator is the method selected to obtain an estimate of an unknown parameter". The parameter being estimated is sometimes called the estimand.

3. Consistent estimator - Wikipedia

   en.wikipedia.org/wiki/Consistent_estimator

   Consistent estimator. { T1, T2, T3, ...} is a sequence of estimators for parameter θ0, the true value of which is 4. This sequence is consistent: the estimators are getting more and more concentrated near the true value θ0; at the same time, these estimators are biased. The limiting distribution of the sequence is a degenerate random variable ...

4. Point estimation - Wikipedia

   en.wikipedia.org/wiki/Point_estimation

   In statistics, point estimation involves the use of sample data to calculate a single value (known as a point estimate since it identifies a point in some parameter space) which is to serve as a "best guess" or "best estimate" of an unknown population parameter (for example, the population mean ). More formally, it is the application of a point ...

5. Watterson estimator - Wikipedia

   en.wikipedia.org/wiki/Watterson_estimator

   Watterson estimator. In population genetics, the Watterson estimator is a method for describing the genetic diversity in a population. It was developed by Margaret Wu and G. A. Watterson in the 1970s. [1] [2] It is estimated by counting the number of polymorphic sites. It is a measure of the "population mutation rate" (the product of the ...

6. Vacant possession - Wikipedia

   en.wikipedia.org/wiki/Vacant_possession

   Vacant possession refers to the typical condition in which a seller must hand over a property to a buyer upon completion, or a tenant must return the property to a landlord at the end of a lease. In simple terms, it means that the rightful person, such as a buyer or a landlord, can peacefully and fully utilize the property.

7. M-estimator - Wikipedia

   en.wikipedia.org/wiki/M-estimator

   M-estimator. In statistics, M-estimators are a broad class of extremum estimators for which the objective function is a sample average. [1] Both non-linear least squares and maximum likelihood estimation are special cases of M-estimators. The definition of M-estimators was motivated by robust statistics, which contributed new types of M ...