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inefficient estimator

См. также в других словарях:

  • M-estimator — In statistics, M estimators are a broad class of statistics which are obtained as the solution to the problem of minimizing certain functions of the data. The process of obtaining an M estimator is called M estimation.Some authors define M… …   Wikipedia

  • Robust statistics — provides an alternative approach to classical statistical methods. The motivation is to produce estimators that are not unduly affected by small departures from model assumptions. Contents 1 Introduction 2 Examples of robust and non robust… …   Wikipedia

  • Robust regression — In robust statistics, robust regression is a form of regression analysis designed to circumvent some limitations of traditional parametric and non parametric methods. Regression analysis seeks to find the effect of one or more independent… …   Wikipedia

  • Cauchy distribution — Not to be confused with Lorenz curve. Cauchy–Lorentz Probability density function The purple curve is the standard Cauchy distribution Cumulative distribution function …   Wikipedia

  • Sample maximum and minimum — Box plots of the Michelson–Morley experiment, showing sample maximums and minimums. In statistics, the maximum and sample minimum, also called the largest observation, and smallest observation, are the values of the greatest and least elements of …   Wikipedia

  • Mid-range — For loudspeakers, see mid range speaker. In statistics, the mid range or mid extreme of a set of statistical data values is the arithmetic mean of the maximum and minimum values in a data set,[1] or: As such, it is a measure of central tendency.… …   Wikipedia

  • Multiple comparisons — In statistics, the multiple comparisons or multiple testing problem occurs when one considers a set of statistical inferences simultaneously.[1] Errors in inference, including confidence intervals that fail to include their corresponding… …   Wikipedia

  • Randomized block design — In the statistical theory of the design of experiments, blocking is the arranging of experimental units in groups (blocks) that are similar to one another. Typically, a blocking factor is a source of variability that is not of primary interest to …   Wikipedia

  • Comparables — (or comps) is a real estate appraisal term referring to properties with characteristics that are similar to a subject property whose value is being sought. This can be accomplished either by a real estate agent who attempts to establish the value …   Wikipedia

  • Seemingly unrelated regression — In econometrics, seemingly unrelated regression (SUR), model developedby Arnold Zellner and first published in Zellner (1962), is a technique for analyzing a system of multiple equations with cross equation parameter restrictions and correlated… …   Wikipedia

  • Н — Наблюдаемые входные данные — см .Ненаблюдаемые входные данные Наблюдатель [ analyst, observer] Наблюдение экономических явлений [economic observation] Наблюдения [observations] …   Экономико-математический словарь

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