- geometric(al) mean
- среднее геометрическое
English-Russian dictionary of computer science and programming. 2013.
geometric(al) mean
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Geometric-harmonic mean — In mathematics, the geometric harmonic mean M( x , y ) of two positive real numbers x and y is defined as follows: we first form the geometric mean of g 0 = x and h 0 = y and call it g 1, i.e. g 1 is the square root of xy . We then form the… … Wikipedia
Mean — This article is about the statistical concept. For other uses, see Mean (disambiguation). In statistics, mean has two related meanings: the arithmetic mean (and is distinguished from the geometric mean or harmonic mean). the expected value of a… … Wikipedia
Geometric stable distribution — Geometric Stable parameters: α ∈ (0,2] stability parameter β ∈ [−1,1] skewness parameter (note that skewness is undefined) λ ∈ (0, ∞) scale parameter μ ∈ (−∞, ∞) location parameter support: x ∈ R, or x ∈ [μ, +∞) if α < 1 and β = 1, or x ∈… … Wikipedia
geometric mean — n. Math. the n th root of the product of n factors [the geometric mean of 2 and 8 (or the mean proportional between 2 and 8) is √2H5, or 4] … English World dictionary
geometric mean — ► NOUN ▪ the central number in a geometric progression (e.g. 9 in 3, 9, 27), also calculable as the nth root of a product of n numbers … English terms dictionary
geometric — geometric, geometrical As with the preceding words, the longer form is about a century older than the shorter one (1552 and 1630 respectively). In this case, the shorter form is dominant in fixed collocations in BrE (geometric mean, geometric… … Modern English usage
mean — mean1 [mēn] vt. meant [ment] meaning [ME menen < OE mænan, to mean, tell, complain, akin to Ger meinen, to have in mind, have as opinion < IE base * meino , opinion, intent > OIr mian, wish, desire] 1. to have in mind; intend; purpose… … English World dictionary
Geometric mean — The geometric mean, in mathematics, is a type of mean or average, which indicates the central tendency or typical value of a set of numbers. It is similar to the arithmetic mean, which is what most people think of with the word average, except… … Wikipedia
Geometric standard deviation — In probability theory and statistics, the geometric standard deviation describes how spread out are a set of numbers whose preferred average is the geometric mean. If the geometric mean of a set of numbers { A 1, A 2, ..., A n } is denoted as μ g … Wikipedia
Geometric distribution — Probability distribution two name =Geometric type =mass pdf cdf | parameters =0< p leq 1 success probability (real) support =k in {1,2,3,dots}! pdf =(1 p)^{k 1},p! cdf =1 (1 p)^k! mean =frac{1}{p}! median =leftlceil frac{ log(2)}{log(1 p)} ight… … Wikipedia
Geometric progression — In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed non zero number called the common ratio . For example, the… … Wikipedia
