- expectation (expected) value
- Психоанализ: (математическое) ожидание, (математическое) среднее значение
Универсальный англо-русский словарь. Академик.ру. 2011.
expectation (expected) value
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Expected value — This article is about the term used in probability theory and statistics. For other uses, see Expected value (disambiguation). In probability theory, the expected value (or expectation, or mathematical expectation, or mean, or the first moment)… … Wikipedia
Expected value of perfect information — In decision theory, the expected value of perfect information (EVPI) is the price that one would be willing to pay in order to gain access to perfect information. [Douglas Hubbard How to Measure Anything: Finding the Value of Intangibles in… … Wikipedia
expected value — laukiamoji vertė statusas T sritis fizika atitikmenys: angl. expectation value; expected value vok. erwartender Wert, m; Erwartungswert, m rus. математическое ожидание, n; ожидаемое значение, n pranc. espérance mathématique, f … Fizikos terminų žodynas
expected value — noun Of a discrete random variable, the sum of the probability of each possible outcome of the experiment multiplied by the outcome value (or payoff). Syn: mathematical expectation … Wiktionary
expected value — noun the sum of the values of a random variable divided by the number of values • Syn: ↑arithmetic mean, ↑first moment, ↑expectation • Topics: ↑statistics • Hypernyms: ↑mean, ↑mean value … Useful english dictionary
expected value — Statistics, Math. See mathematical expectation. [1945 50] * * * … Universalium
Expected — may refer to: *Expectation *Expected value *Expected shortfall *Expected utility hypothesis *Expected return *Expected gain;See also *Unexpected … Wikipedia
Expected shortfall — (ES) is a risk measure, a concept used in finance (and more specifically in the field of financial risk measurement) to evaluate the market risk or credit risk of a portfolio. It is an alternative to value at risk that is more sensitive to the… … Wikipedia
Value at risk — (VaR) is a maximum tolerable loss that could occur with a given probability within a given period of time. VaR is a widely applied concept to measure and manage many types of risk, although it is most commonly used to measure and manage the… … 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
Expected utility hypothesis — In economics, game theory, and decision theory the expected utility hypothesis is a theory of utility in which betting preferences of people with regard to uncertain outcomes (gambles) are represented by a function of the payouts (whether in… … Wikipedia
