Definition of Mean error. Meaning of Mean error. Synonyms of Mean error

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Definition of Mean error

Mean error
Mean Mean, a. [OE. mene, OF. meiien, F. moyen, fr. L. medianus that is in the middle, fr. medius; akin to E. mid. See Mid.] 1. Occupying a middle position; middle; being about midway between extremes. Being of middle age and a mean stature. --Sir. P. Sidney. 2. Intermediate in excellence of any kind. According to the fittest style of lofty, mean, or lowly. --Milton. 3. (Math.) Average; having an intermediate value between two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day. Mean distance (of a planet from the sun) (Astron.), the average of the distances throughout one revolution of the planet, equivalent to the semi-major axis of the orbit. Mean error (Math. Phys.), the average error of a number of observations found by taking the mean value of the positive and negative errors without regard to sign. Mean-square error, or Error of the mean square (Math. Phys.), the error the square of which is the mean of the squares of all the errors; -- called also, especially by European writers, mean error. Mean line. (Crystallog.) Same as Bisectrix. Mean noon, noon as determined by mean time. Mean proportional (between two numbers) (Math.), the square root of their product. Mean sun, a fictitious sun supposed to move uniformly in the equator so as to be on the meridian each day at mean noon. Mean time, time as measured by an equable motion, as of a perfect clock, or as reckoned on the supposition that all the days of the year are of a mean or uniform length, in contradistinction from apparent time, or that actually indicated by the sun, and from sidereal time, or that measured by the stars.
mean error
Mean Mean, a. [OE. mene, OF. meiien, F. moyen, fr. L. medianus that is in the middle, fr. medius; akin to E. mid. See Mid.] 1. Occupying a middle position; middle; being about midway between extremes. Being of middle age and a mean stature. --Sir. P. Sidney. 2. Intermediate in excellence of any kind. According to the fittest style of lofty, mean, or lowly. --Milton. 3. (Math.) Average; having an intermediate value between two extremes, or between the several successive values of a variable quantity during one cycle of variation; as, mean distance; mean motion; mean solar day. Mean distance (of a planet from the sun) (Astron.), the average of the distances throughout one revolution of the planet, equivalent to the semi-major axis of the orbit. Mean error (Math. Phys.), the average error of a number of observations found by taking the mean value of the positive and negative errors without regard to sign. Mean-square error, or Error of the mean square (Math. Phys.), the error the square of which is the mean of the squares of all the errors; -- called also, especially by European writers, mean error. Mean line. (Crystallog.) Same as Bisectrix. Mean noon, noon as determined by mean time. Mean proportional (between two numbers) (Math.), the square root of their product. Mean sun, a fictitious sun supposed to move uniformly in the equator so as to be on the meridian each day at mean noon. Mean time, time as measured by an equable motion, as of a perfect clock, or as reckoned on the supposition that all the days of the year are of a mean or uniform length, in contradistinction from apparent time, or that actually indicated by the sun, and from sidereal time, or that measured by the stars.

Meaning of Mean error from wikipedia

- In statistics, mean absolute error (MAE) is a measure of errors between paired observations expressing the same phenomenon. Examples of Y versus X include...
- In statistics, the mean squared error (MSE) or mean squared deviation (MSD) of an estimator (of a procedure for estimating an unobserved quantity) measures...
- statistic is the sample mean, it is called the standard error of the mean (SEM). The sampling distribution of a po****tion mean is generated by repeated...
- The root-mean-square deviation (RMSD) or root-mean-square error (RMSE) is a frequently used measure of the differences between values (sample or po****tion...
- The mean absolute percentage error (MAPE), also known as mean absolute percentage deviation (MAPD), is a measure of prediction accuracy of a forecasting...
- the mean of that distribution (the so-called location model). In this case, the errors are the deviations of the observations from the po****tion mean, while...
- signal processing, a minimum mean square error (MMSE) estimator is an estimation method which minimizes the mean square error (MSE), which is a common measure...
- is zero. Percentage error Mean absolute percentage error Mean squared error Mean squared prediction error Minimum mean-square error Squared deviations...
- In statistics, the mean absolute scaled error (MASE) is a measure of the accuracy of forecasts. It is the mean absolute error of the forecast values, divided...
- Symmetric mean absolute percentage error (SMAPE or sMAPE) is an accuracy measure based on percentage (or relative) errors. It is usually defined[citation...
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