- statistical expectation
- мат. математическое ожидание
Большой англо-русский и русско-английский словарь. 2001.
statistical expectation
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Statistical parsing — is a group of parsing methods within natural language processing. The methods have in common that they associate grammar rules with a probability. Grammar rules are traditionally viewed in computational linguistics as defining the valid sentences … Wikipedia
Expectation value (quantum mechanics) — In quantum mechanics, the expectation value is the predicted mean value of the result of an experiment. It is a fundamental concept in all areas of quantum physics. Operational definition Quantum physics shows an inherent statistical behaviour:… … Wikipedia
Expectation-maximization algorithm — An expectation maximization (EM) algorithm is used in statistics for finding maximum likelihood estimates of parameters in probabilistic models, where the model depends on unobserved latent variables. EM alternates between performing an… … Wikipedia
Statistical arbitrage — In the world of finance and investments statistical arbitrage is used in two related but distinct ways:* In academic literature, statistical arbitrage is opposed to (deterministic) arbitrage. In deterministic arbitrage a sure profit can be… … Wikipedia
Statistical ensemble (mathematical physics) — In mathematical physics, especially as introduced into statistical mechanics and thermodynamics by J. Willard Gibbs in 1878, an ensemble (also statistical ensemble or thermodynamic ensemble)cite book |last=Kittel |first=Charles… … Wikipedia
Expectation-Maximization-Algorithmus — Der Expectation Maximization Algorithmus (kurz EM Algorithmus, selten auch Estimation Maximization Algorithmus) ist ein Algorithmus der mathematischen Statistik. Der EM Algorithmus wird vorrangig zur Ballungsanalyse verwendet (Siehe hierzu den… … Deutsch Wikipedia
Expectation-Maximization — Algorithme espérance maximisation L algorithme espérance maximisation (en anglais Expectation maximisation algorithm, souvent abrégé EM), proposé par Dempster et al. (1977), est une classe d algorithmes qui permettent de trouver le maximum de… … Wikipédia en Français
Statistical independence — In probability theory, to say that two events are independent, intuitively means that the occurrence of one event makes it neither more nor less probable that the other occurs. For example:* The event of getting a 6 the first time a die is rolled … Wikipedia
expectation of life — The average number of years of life an individual of a given age is expected to live if current mortality rates continue to apply; a statistical abstraction based on existing age specific death rates. e. at age x the average number of additional… … Medical dictionary
Quantum statistical mechanics — is the study of statistical ensembles of quantum mechanical systems. A statistical ensemble is described by a density operator S , which is a non negative, self adjoint, trace class operator of trace 1 on the Hilbert space H describing the… … Wikipedia
Entropy (statistical thermodynamics) — In thermodynamics, statistical entropy is the modeling of the energetic function entropy using probability theory. The statistical entropy perspective was introduced in 1870 with the work of the Austrian physicist Ludwig Boltzmann. Mathematical… … Wikipedia
