system variance — laisvės laipsnių skaičius statusas T sritis Standartizacija ir metrologija apibrėžtis Termodinaminės sistemos parametrų, kuriuos galima keisti tam tikrose ribose, kai fazių skaičius nesikeičia, skaičius. atitikmenys: angl. number of degrees of… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
variance — laisvės laipsnių skaičius statusas T sritis chemija apibrėžtis Skaičius parametrų, kuriuos galima keisti tam tikrose ribose, kai fazių skaičius nesikeičia. atitikmenys: angl. degrees of freedom; number of degrees of freedom; system variance;… … Chemijos terminų aiškinamasis žodynas
variance — [ver′ē əns, var′ē əns] n. [OFr < L variantia < L varians, prp. of variare, to VARY] 1. the quality, state, or fact of varying or being variant; a changing or tendency to change 2. degree of change or difference; divergence; discrepancy 3.… … English World dictionary
System identification — In control engineering, the field of system identification uses statistical methods to build mathematical models of dynamical systems from measured data. System identification also includes the optimal design of experiments for efficiently… … Wikipedia
Variance reduction — In mathematics, more specifically in the theory of Monte Carlo methods, variance reduction is a procedure used to increase the precision of the estimates that can be obtained for a given number of iterations. Every output random variable from the … Wikipedia
variance — /vair ee euhns/, n. 1. the state, quality, or fact of being variable, divergent, different, or anomalous. 2. an instance of varying; difference; discrepancy. 3. Also called mean square deviation. Statistics. the square of the standard deviation.… … Universalium
variance — var•i•ance [[t]ˈvɛər i əns[/t]] n. 1) the state of being variable or different 2) an instance of varying 3) sta Statistics. the square of the standard deviation 4) phs the number of degrees of freedom of a physical system 5) law Law. a) a… … From formal English to slang
SAS System — Infobox Software name = SAS caption = SAS 9 on Microsoft Windows developer = SAS Institute latest release version = 9.2 latest release date = March, 2008 operating system = Windows, IBM mainframe, Unix/Linux, OpenVMS Alpha genre = numerical… … Wikipedia
Analysis of variance — In statistics, analysis of variance (ANOVA) is a collection of statistical models, and their associated procedures, in which the observed variance in a particular variable is partitioned into components attributable to different sources of… … Wikipedia
Modified Allan variance — The modified Allan variance (MAVAR) [1], also known as mod σy2(τ), is a variable bandwidth modified variant of Allan variance, a measurement of frequency stability in clocks, oscillators and amplifiers. Its main advantage relative to Allan… … Wikipedia
