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relative percentage error

См. также в других словарях:

  • percentage error — noun : relative error …   Useful english dictionary

  • Mean absolute percentage error — (MAPE) is measure of accuracy in a fitted time series value in statistics, specifically trending. It usually expresses accuracy as a percentage, and is defined by the formula: where At is the actual value and Ft is the forecast value. The… …   Wikipedia

  • error — errorless, adj. errorlessly, adv. /er euhr/, n. 1. a deviation from accuracy or correctness; a mistake, as in action or speech: His speech contained several factual errors. 2. belief in something untrue; the holding of mistaken opinions. 3. the… …   Universalium

  • Relative difference — refers to an evaluation of a difference in measures in context with a base measure. It may be contrasted with an absolute difference.One approach to obtain the relative difference of two numbers is their absolute difference divided by the maximum …   Wikipedia

  • Relative change and difference — The relative difference, percent difference, relative percent difference, or percentage difference between two quantities is the difference between them, expressed as a comparison to the size of one or both of them. Such measures are unitless… …   Wikipedia

  • Standard error (statistics) — For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples that would fall between 0, 1, 2, and 3 standard deviations above and below the actual value. The standard error is the standard… …   Wikipedia

  • Approximation error — The approximation error in some data is the discrepancy between an exact value and some approximation to it. An approximation error can occur because the measurement of the data is not precise due to the instruments. (e.g., the accurate reading… …   Wikipedia

  • Mean squared error — In statistics, the mean squared error (MSE) of an estimator is one of many ways to quantify the difference between values implied by a kernel density estimator and the true values of the quantity being estimated. MSE is a risk function,… …   Wikipedia

  • Margin of error — This article is about the statistical precision of estimates from sample surveys. For safety margins in engineering, see Factor of safety. For tolerance in engineering, see Tolerance (engineering). Not to be confused with Margin for Error. The… …   Wikipedia

  • Body fat percentage — A person s body mass percentage is the total weight of the person s fat divided by the person s weight and consists of essential body fat and storage body fat. Essential body fat is necessary to maintain life and reproductive functions. The… …   Wikipedia

  • относительная погрешность А, выраженная в процентах — Отношение разности между значением срабатывания Ra и установленным значением срабатывания Ran к установленному значению срабатывания Ran умноженное на 100, выраженное в процентах и вычисляемое по формуле [ГОСТ Р 61557 1 2006] Тематики… …   Справочник технического переводчика

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