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urn model

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  • Urn problem — In statistics, an urn problem is an idealized thought experiment in which some objects of real interest (such as atoms, people, cars, etc.) are represented as colored balls in an urn or other container.One pretends to draw (remove) one or more… …   Wikipedia

  • Urn (band) — Urn From left to right: Dominic St. Charles, Julian Umberger, Lex, Chris Shive, Sophia Background informationOriginChicago, Illinois, United States flagicon|USAGenre(s)Gothic metalYearsactive1994 1996, 2000 Label(s)Rotting Corpse RecordsWebsite …   Wikipedia

  • probability theory — Math., Statistics. the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Cf. probability (def. 4). [1830 40] * * * Branch of mathematics that deals with analysis of random events.… …   Universalium

  • Noncentral hypergeometric distributions — In statistics, the hypergeometric distribution is the discrete probability distribution generated by picking colored balls at random from an urn without replacement. Various generalizations to this distribution exist for cases where the picking… …   Wikipedia

  • Models of collaborative tagging — Many have argued that social tagging or collaborative tagging systems can provide navigational cues or “way finders” [1][2] for other users to explore information. The notion is that, given that social tags are labels that users create to… …   Wikipedia

  • Visual short term memory — In the study of vision, visual short term memory (VSTM) is one of three broad memory systems including iconic memory and long term memory. VSTM is a type of short term memory, but one limited to information within the visual domain. The term VSTM …   Wikipedia

  • Wallenius' noncentral hypergeometric distribution — Introduction Probability mass function for Wallenius Noncentral Hypergeometric Distribution for different values of the odds ratio ω. m1 = 80, m2 = 60, n = 100, ω = 0.1 ... 20In probability theory and statistics, Wallenius noncentral… …   Wikipedia

  • Fisher's noncentral hypergeometric distribution — Probability mass function for Fisher s noncentral hypergeometric distribution for different values of the odds ratio ω. m 1 = 80, m 2 = 60, n = 100, ω = 0.01, ..., 1000In probability theory and statistics, Fisher s noncentral hypergeometric… …   Wikipedia

  • Probability interpretations — The word probability has been used in a variety of ways since it was first coined in relation to games of chance. Does probability measure the real, physical tendency of something to occur, or is it just a measure of how strongly one believes it… …   Wikipedia

  • de Finetti's theorem — In probability theory, de Finetti s theorem explains why exchangeable observations are conditionally independent given some latent variable to which an epistemic probability distribution would then be assigned. It is named in honor of Bruno de… …   Wikipedia

  • Second Temple — Model of Herod s Temple (renovation of the Second Temple) in the Israel Museum The Jewish Second Temple was an important shrine which stood on the Temple Mount in Jerusalem between 516 BCE and 70 CE. It replaced the First Temple which was… …   Wikipedia