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- Nuisance_variable abstract "In the theory of stochastic processes in probability theory and statistics, a nuisance variable is a random variable that is fundamental to the probabilistic model, but that is of no particular interest in itself or is no longer of interest: one such usage arises for the Chapman–Kolmogorov equation. For example, a model for a stochastic process may be defined conceptually using intermediate variables that are not observed in practice. If the problem is to derive the theoretical properties, such as the mean, variance and covariances of quantities that would be observed, then the intermediate variables are nuisance variables.[citation needed]The related term nuisance factor has been used in the context of block experiments, where the terms in the model representing block-means, often called "factors", are of no interest. Many approaches to the analysis of such experiments, particularly where the experimental design is subject to randomization, treat these factors as random variables. More recently, "nuisance variable" has been used in the same context."Nuisance variable" has been used in the context of statistical surveys to refer information that is not of direct interest but which needs to be taken into account in an analysis.In the context of stochastic models, the treatment of nuisance variables does not necessarily involve working with the full joint distribution of all the random variables involved, although this is one approach. Instead, an analysis may proceed directly to the quantities of interest.The term nuisance variable is sometimes also used in more general contexts, simply to designate those variables that are marginalised over when finding a marginal distribution. In particular, the term may sometimes be used in the context of Bayesian analysis as an alternative[citation needed] to nuisance parameter, given that Bayesian statistics allows parameters to be treated as having probability distributions. However this is usually avoided[citation needed] as the term nuisance parameter has a specific meaning in statistical theory.".
- Nuisance_variable wikiPageID "21890593".
- Nuisance_variable wikiPageRevisionID "560311565".
- Nuisance_variable hasPhotoCollection Nuisance_variable.
- Nuisance_variable subject Category:Latent_variable_models.
- Nuisance_variable subject Category:Statistical_terminology.
- Nuisance_variable subject Category:Stochastic_processes.
- Nuisance_variable type Assistant109815790.
- Nuisance_variable type CausalAgent100007347.
- Nuisance_variable type LatentVariableModels.
- Nuisance_variable type LivingThing100004258.
- Nuisance_variable type Model110324560.
- Nuisance_variable type Object100002684.
- Nuisance_variable type Organism100004475.
- Nuisance_variable type Person100007846.
- Nuisance_variable type PhysicalEntity100001930.
- Nuisance_variable type Whole100003553.
- Nuisance_variable type Worker109632518.
- Nuisance_variable type YagoLegalActor.
- Nuisance_variable type YagoLegalActorGeo.
- Nuisance_variable comment "In the theory of stochastic processes in probability theory and statistics, a nuisance variable is a random variable that is fundamental to the probabilistic model, but that is of no particular interest in itself or is no longer of interest: one such usage arises for the Chapman–Kolmogorov equation. For example, a model for a stochastic process may be defined conceptually using intermediate variables that are not observed in practice.".
- Nuisance_variable label "Nuisance variable".
- Nuisance_variable label "Variable estorbo".
- Nuisance_variable sameAs Variable_estorbo.
- Nuisance_variable sameAs m.03w7m2.
- Nuisance_variable sameAs Q3823303.
- Nuisance_variable sameAs Q3823303.
- Nuisance_variable sameAs Nuisance_variable.
- Nuisance_variable wasDerivedFrom Nuisance_variable?oldid=560311565.
- Nuisance_variable isPrimaryTopicOf Nuisance_variable.