Root mean square (RMS)

Root mean square (RMS)

A statistic used to evaluate the adequacy of a model by comparing the predicted value (P) to the observed value (O) or a number (n) of values such that: RMS = ((1/nΣ(Pi -Oi)2)0. 5

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Soil science
Company: Soil Science Society of America
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Related terms

root mean square (RMS)

Earth science; Soil science

A statistic used to evaluate the adequacy of a model by comparing the predicted value (P) to the observed value (O) or a number (n) of values such that: RMS = ((1/nΣ(Pi ...

root mean square (RMS)

Energy; Solar power

The square root of the average square of the instantaneous values of an ac output. For a sine wave the RMS value is 0.707 times the peak value. The equivalent value of alternating ...

root mean square (RMS)

Telecommunications; GPS (global positioning system)

The square root of the average of the squared errors.

root mean square (RMS)

Consumer electronics; Home theatre system

This is a measure of voltage or (incorrectly) power output. The latter is often quoted in the specifications for an amplifier or home theater receiver. Measuring voltage is simple ...

root mean square (RMS)

Software; Video editing

The value assigned to an alternating current or voltage that results in the same power dissipation in a given resistance as DC current or voltage of the same numerical value. ...

root mean square (RMS)

Eyewear; Optometry; Contact lenses; Eye surgery

Actually means the root of the mean of the squares and is an evaluative measurement of a wavefront diagnostic. It describes the smoothness of the surface in terms of deviation ...