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實驗科學中，測量誤差（英語：measurement error）或觀測誤差（observational error）簡稱誤差（error），是測量結果偏離真值的程度。對任何一個物理量進行的測量都不可能得出 ...
The standard error (SE) of a statistic is the standard deviation of its sampling distribution or an estimate of that standard deviation.
The error of an observation is the deviation of the observed value from the true value of a quantity of interest (for example, a population mean).
In mathematics, error analysis is the study of kind and quantity of error, or uncertainty, that may be present in the solution to a problem.
The approximation error in a data value is the discrepancy between an exact value and some approximation to it. This error can be expressed as an absolute ...
In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator measures the average of the squares of the errors—that is, ...
In mathematics and statistics, an error term is an additive type of error. Common examples include: errors and residuals in statistics, e.g. in linear ...
In mathematics, the error function (also called the Gauss error function), often denoted by erf, is a function · The integral here is a complex contour integral ...
In statistics, mean absolute error (MAE) is a measure of errors between paired observations expressing the same phenomenon.