- Zipf's law
- Автоматика: закон Ципфа
Универсальный англо-русский словарь. Академик.ру. 2011.
Zipf's law
Смотреть что такое "Zipf's law" в других словарях:
Zipf's law — Probability distribution name =Zipf s law type =mass pdf Zipf PMF for N = 10 on a log log scale. The horizontal axis is the index k . (Note that the function is only defined at integer values of k . The connecting lines do not indicate continuity … Wikipedia
Zipf–Mandelbrot law — Probability distribution name =Zipf–Mandelbrot type =mass pdf cdf parameters =N in {1,2,3ldots} (integer) q in [0;infty) (real) s>0, (real) support =k in {1,2,ldots,N} pdf =frac{1/(k+q)^s}{H {N,q,s cdf =frac{H {k,q,s{H {N,q,s mean =frac{H {N,q,s… … Wikipedia
Zipf'sches Gesetz — Dieser Artikel befasst sich mit dem Echten Zipfschen Gesetz. Für das sogenannte Falsche siehe Falsches Zipfsches Gesetz. Das Zipf sche Gesetz (nach George Kingsley Zipf, der dieses Gesetz in den 1930er Jahren aufstellte) ist ein Modell, mit… … Deutsch Wikipedia
Perfekter Zipf — Dieser Artikel befasst sich mit dem Echten Zipfschen Gesetz. Für das sogenannte Falsche siehe Falsches Zipfsches Gesetz. Das Zipf sche Gesetz (nach George Kingsley Zipf, der dieses Gesetz in den 1930er Jahren aufstellte) ist ein Modell, mit… … Deutsch Wikipedia
Power law — A power law is any polynomial relationship that exhibits the property of scale invariance. The most common power laws relate two variables and have the form:f(x) = ax^k! +o(x^k),where a and k are constants, and o(x^k) is of x. Here, k is… … Wikipedia
George Kingsley Zipf — (pronEng|ˈzɪf), (1902 ndash;1950), was an American linguist and philologist who studied statistical occurrences in different languages. Zipf worked at Harvard University. He worked with Chinese languages and demographics, and much of his effort… … Wikipedia
Bradford's law — is a pattern first described by Samuel C. Bradford in 1934 that estimates the exponentially diminishing returns of extending a search for references in science journals. One formulation is that if journals in a field are sorted by number of… … Wikipedia
Benford's law — Benford s law, also called the first digit law, states that in lists of numbers from many real life sources of data, the leading digit is distributed in a specific, non uniform way. According to this law, the first digit is 1 almost one third of… … Wikipedia
Physical law — A physical law or scientific law is a scientific generalization based on empirical observations of physical behavior (i.e. the law of nature [ E.g. an observable law relating to natural phenomena. Oxford Dictionary] ). Laws of nature are… … Wikipedia
Heaps' law — In linguistics, Heaps law is an empirical law which describes the portion of a vocabulary which is represented by an instance document (or set of instance documents) consisting of words chosen from the vocabulary. This can be formulated as: V… … Wikipedia
Lotka's law — Lotka s lawcite journal|author=Lotka, Alfred J.|date=1926|title=The frequency distribution of scientific productivity|journal=Journal of the Washington Academy of Sciences|volume=16|issue=12|pages=317 ndash;324] , named after Alfred J. Lotka, is… … Wikipedia
