effective sample size

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• effective sample size — /ɪˌfektɪv sɑ:mpəl saɪz/ noun the size of a sample after all irrelevant factors have been removed …   Marketing dictionary in english

• sample preparation — ▪ chemistry Introduction  in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special …   Universalium

• Effective porosity — The term effective porosity lacks a single or straightforward definition. Even some of the terms used in its mathematical description (“Vcl” and “Vsh”) have multiple definitions. However, it is most commonly considered to represent the porosity… …   Wikipedia

• Galton's problem — Galton’s problem, named after Sir Francis Galton, is the problem of drawing inferences from cross cultural data, due to the statistical phenomenon now called autocorrelation. The problem is now recognized as a general one that applies to all… …   Wikipedia

• ГОСТ Р 54235-2010: Топливо твердое из бытовых отходов. Термины и определения — Терминология ГОСТ Р 54235 2010: Топливо твердое из бытовых отходов. Термины и определения оригинал документа: q) (calorific value, heating value): Количество энергии, полученной в результате полного сгорания топлива твердого из бытовых отходов,… …   Словарь-справочник терминов нормативно-технической документации

• Uranium-lead dating — Uranium lead is one of the oldest and most refined radiometric dating schemes, with a routine age range of about 1 million years to over 4.5 billion years, and with routine precisions in the 0.1 1 percent range. [Parrish, Randall R.; Noble,… …   Wikipedia

• Axel Heiberg Island — Infobox Islands name = Axel Heiberg image caption = Closeup of Axel Heiberg Island image size = locator map custom = native name = native name link = Inuktikut nickname = location = Northern Canada coordinates =… …   Wikipedia

• Difference in differences — (DID) (sometimes Diff in Diffs ) is a quasi experimental technique used in econometrics that measures the effect of a treatment at a given period in time. It is often used to measure the change induced by a particular treatment or event, though… …   Wikipedia

• эффективный размер пробы — 4.2.24 эффективный размер пробы (effective sample size): Эффективный размер точечной пробы, умноженный на число точечных проб. Примечание Эффективный размер пробы не может быть меньше минимального размера пробы. Источник: ГОСТ Р 54235 2010:… …   Словарь-справочник терминов нормативно-технической документации

• Degrees of freedom (statistics) — In statistics, the number of degrees of freedom is the number of values in the final calculation of a statistic that are free to vary.[1] Estimates of statistical parameters can be based upon different amounts of information or data. The number… …   Wikipedia

• MPEG-1 — Moving Picture Experts Group Phase 1 (MPEG 1) Filename extension .mpg, .mpeg, .mp1, .mp2, .mp3, .m1v, .m1a, .m2a, .mpa, .mpv Internet media type audio/mpeg, video/mpeg Developed by ISO, IEC Type of format audio, vid …   Wikipedia