# percentage error

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**percentage error**— procentinė paklaida statusas T sritis fizika atitikmenys: angl. percentage error vok. prozentualer Fehler, m rus. процентная погрешность, f pranc. erreur pourcentuelle, f … Fizikos terminų žodynas**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**Mean percentage error**— In statistics, the mean percentage error (MPE) is the computed average of percentage errors by which estimated forecasts differ from actual values of the quantity being forecast. Formula for mean percentage error calculation is: where at is 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**Error (baseball)**— In baseball [statistics] , an error is the act, in the judgment of the official scorer, of a fielder misplaying a ball in a manner that allows a batter or baserunner to reach one or more additional bases, when such an advance should have been… … Wikipedia**Error vector magnitude**— The error vector magnitude or EVM is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal sent by an ideal transmitter or received by a receiver would have all constellation points precisely at the ideal … Wikipedia**Error-correcting codes with feedback**— In mathematics, computer science, telecommunication, information theory, and searching theory, error correcting codes with feedback refers to error correcting codes designed to work in the presence of feedback from the receiver to the sender.See… … Wikipedia**error rate**— Number of faulty products expressed as a percentage of total output … American business jargon**Systematic error**— Systematic errors are biases in measurement which lead to the situation where the mean of many separate measurements differs significantly from the actual value of the measured attribute. All measurements are prone to systematic errors, often of… … 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