Mean error

Related to Mean error: standard deviation, standard 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.

See also: Mean

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The instrument measured the vertical water vapour profile, with less than 10 per cent mean error over a range of atmospheric conditions, as compared to profiles collected by airborne devices.
For instance, a three-dimensional indoor positioning system using LED lights and detecting the time difference of arrival proposed in [26] achieves a mean error as low as 1 mm but in simulation and in a relatively small room.
Thereby, it is possible to extract some values very useful for choosing the method, such as the mean error (ME), the standard deviation of mean errors (S[D.sub.ME]), the reduced mean error (RE), and the standard deviation of reduced mean errors (S[D.sub.RE]).
Lower mean error rates were seen for surgeons' SR notes versus those of other physicians (6.0 versus 8.1 percent).
Adjusting the old price by the average price change produces the smallest mean error, -$2.
When polling was first introduced during the 1940s and 1950s, the mean error was 2.1 per cent.
The percentage of mean error for prediction of [C.sub.p] by various models and their standard deviation is shown in Figure 11.
A maximum mean error of 0.334 mm (SD = 0.257 mm) for experiment four is shown.
The maximum and minimum measurement errors rates are 5.358 percent and 0.001 percent, respectively with mean error measurement of 1.717%.
7 it could be noted that the absolute value of the mean error is at least 5 times smaller than the value of standard deviation for a given modulation index.

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