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latent variable

См. также в других словарях:

  • Latent variable — In statistics, latent variables (as opposed to observable variables), are variables that are not directly observed but are rather inferred (through a mathematical model) from other variables that are observed and directly measured. They are also… …   Wikipedia

  • Latent variable model — A latent variable model is a statistical model that relates a set of variables (so called manifest variables ) to set of latent variables. It is assumed that 1) the responses on the indicators or manifest variables are the result of an individual …   Wikipedia

  • Latent — can refer to:* Latent heat, the amount of energy released or absorbed by a substance during a change of phase * A latent geologic fault * Latent bud, a bud in some plants that remains a bud until favourable conditions appear * Virus latency, the… …   Wikipedia

  • Latent class model — In statistics, a latent class model (LCM) relates a set of observed discrete multivariate variables to a set of latent variables. It is a type of latent variable model. It is called a latent class model because the latent variable is discrete. A… …   Wikipedia

  • Variable (informatique) — Pour les articles homonymes, voir variable. En informatique, les variables associent un nom (le symbole) à une valeur ou un objet, elles font partie des identificateurs. La notion de variable est alors intimement liée au langage de programmation …   Wikipédia en Français

  • Latent Dirichlet allocation — In statistics, latent Dirichlet allocation (LDA) is a generative model that allows sets of observations to be explained by unobserved groups which explain why some parts of the data are similar. For example, if observations are words collected… …   Wikipedia

  • Latent — Latenz (v. lat.: latens „verborgen“) steht für: Latenzzeit, den Zeitraum zwischen einem verborgenen Ereignis und dem Eintreten einer sichtbaren Reaktion darauf, siehe Verzögerungszeit Das Adjektiv latent wird in folgenden Zusammenhängen verwendet …   Deutsch Wikipedia

  • Manifest Variable — A variable that can be directly measured or observed. It is the opposite of a latent variable, which can not be directly observed. Manifest variables are used in latent variable statistical models, which test the relationships between a set of… …   Investment dictionary

  • Dummy variable (statistics) — In statistics and econometrics, particularly in regression analysis, a dummy variable (also known as an indicator variable) is one that takes the values 0 or 1 to indicate the absence or presence of some categorical effect that may be expected to …   Wikipedia

  • Nuisance variable — In the theory of stochastic processes in probability theory and statistics, a nuisance variable is a random variable which is fundamental to the probabilistic model, but which is of no particular interest in itself or which is no longer of… …   Wikipedia

  • Observable variable — In statistics, observable variables or manifest variables, as opposed to latent variables, are those variables that can be observed and directly measured.[1] See also Observables in physics Observability in control theory Latent variable model… …   Wikipedia

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