geometric mean


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ge·o·met·ric mean

the mean calculated as the antilogarithm of the arithmetic mean of the logarithms of the individual values; it can also be calculated as the nth root of the product of n values.

geometric mean

See mean.

ge·o·met·ric mean

(jē'ŏ-met'rik mēn)
The mean calculated as the antilogarithm of the arithmetic mean of the logarithms of the individual values; it can also be calculated as the nth root of the product of n values.

geometric mean

The average value of a set of n integers quantities, expressed as the nth root of their product. The geometric mean is used to determine the average of a skewed frequency distribution.

geometric mean

see geometric mean.
References in periodicals archive ?
0517 percent, the most accurate growth measure is the logarithmic, followed by the geometric mean and the average base.
coli criteria is that a swimming advisory or closure be issued when the geometric mean concentration (based on several samples spaced over a 30-day period) exceeds 126 E.
Moreover, as reported in [5] the adjacent Malmquist index is geometric mean of very different geometric mean values of [m.
The organization of this paper is as follows: we start by listing the desired properties of the geometric mean and the resulting unique definition in case of two matrices in Section 2.
This series of experiments again confirms the independence of void volume with sample mass and aspect ratio when using a geometric mean pressure average.
Toader, Greek means and Arithmetic mean and Geometric mean, RGMIA Monograph, 2005.
The use of the geometric mean alone is stated to lower the CPI annual growth rate by approXimately three percentage points, as noted above, and other BLS changes, such as the use of hedonic models and Owners' Equivalent Rent, purportedly lowered the growth rate by several additional percentage points [Williams 2006a].
In online Supplemental Table 3S, we give the geometric means for MMA, vitamin [B.
And "the geometric mean of lead in blood among this study population was lower than the overall population geometric mean in the United States.
A second major change took effect in January 1999, when the BLS adopted a geometric mean formula in the calculation of most CPI basic indexes.
In a blood substudy, geometric mean plasma homocysteine level was decreased by 18.
The trial failed to show a statistically significant difference between alteplase and placebo in its primary measure of efficacy, the geometric mean relative growth of infarct volume.

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