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- Correlation_and_dependence abstract "In statistics, dependence is any statistical relationship between two random variables or two sets of data. Correlation refers to any of a broad class of statistical relationships involving dependence.Familiar examples of dependent phenomena include the correlation between the physical statures of parents and their offspring, and the correlation between the demand for a product and its price. Correlations are useful because they can indicate a predictive relationship that can be exploited in practice. For example, an electrical utility may produce less power on a mild day based on the correlation between electricity demand and weather. In this example there is a causal relationship, because extreme weather causes people to use more electricity for heating or cooling; however, statistical dependence is not sufficient to demonstrate the presence of such a causal relationship (i.e., correlation does not imply causation).Formally, dependence refers to any situation in which random variables do not satisfy a mathematical condition of probabilistic independence. In loose usage, correlation can refer to any departure of two or more random variables from independence, but technically it refers to any of several more specialized types of relationship between mean values. There are several correlation coefficients, often denoted ρ or r, measuring the degree of correlation. The most common of these is the Pearson correlation coefficient, which is sensitive only to a linear relationship between two variables (which may exist even if one is a nonlinear function of the other). Other correlation coefficients have been developed to be more robust than the Pearson correlation – that is, more sensitive to nonlinear relationships. Mutual information can also be applied to measure dependence between two variables.".
- Correlation_and_dependence thumbnail Correlation_examples2.svg?width=300.
- Correlation_and_dependence wikiPageExternalLink CorrelationCoefficient.html.
- Correlation_and_dependence wikiPageExternalLink index.html.
- Correlation_and_dependence wikiPageExternalLink usignificance.cgi.
- Correlation_and_dependence wikiPageExternalLink Proof-that-the-Sample-Bivariate-Correlation-Coefficient-has-Limits-(Plus-or-Minus)-1.
- Correlation_and_dependence wikiPageExternalLink 20846.
- Correlation_and_dependence wikiPageID "157057".
- Correlation_and_dependence wikiPageRevisionID "602107104".
- Correlation_and_dependence date "August 2011".
- Correlation_and_dependence hasPhotoCollection Correlation_and_dependence.
- Correlation_and_dependence id "p/c026560".
- Correlation_and_dependence reason "doesn't seem true for correlation ratio as defined in article of that name".
- Correlation_and_dependence title "Correlation".
- Correlation_and_dependence subject Category:Covariance_and_correlation.
- Correlation_and_dependence subject Category:Dimensionless_numbers.
- Correlation_and_dependence subject Category:Statistical_dependence.
- Correlation_and_dependence comment "In statistics, dependence is any statistical relationship between two random variables or two sets of data. Correlation refers to any of a broad class of statistical relationships involving dependence.Familiar examples of dependent phenomena include the correlation between the physical statures of parents and their offspring, and the correlation between the demand for a product and its price.".
- Correlation_and_dependence label "Correlación".
- Correlation_and_dependence label "Correlatie".
- Correlation_and_dependence label "Correlation and dependence".
- Correlation_and_dependence label "Correlazione (statistica)".
- Correlation_and_dependence label "Correlação".
- Correlation_and_dependence label "Corrélation (statistiques)".
- Correlation_and_dependence label "Korrelation".
- Correlation_and_dependence label "Współczynnik korelacji".
- Correlation_and_dependence label "Корреляция".
- Correlation_and_dependence label "ارتباط (إحصاء)".
- Correlation_and_dependence label "相关".
- Correlation_and_dependence sameAs Korelace.
- Correlation_and_dependence sameAs Korrelation.
- Correlation_and_dependence sameAs Correlación.
- Correlation_and_dependence sameAs Korrelazio.
- Correlation_and_dependence sameAs Corrélation_(statistiques).
- Correlation_and_dependence sameAs Korelasi.
- Correlation_and_dependence sameAs Correlazione_(statistica).
- Correlation_and_dependence sameAs 상관분석.
- Correlation_and_dependence sameAs Correlatie.
- Correlation_and_dependence sameAs Współczynnik_korelacji.
- Correlation_and_dependence sameAs Correlação.
- Correlation_and_dependence sameAs m.014mvh.
- Correlation_and_dependence sameAs Q186290.
- Correlation_and_dependence sameAs Q186290.
- Correlation_and_dependence wasDerivedFrom Correlation_and_dependence?oldid=602107104.
- Correlation_and_dependence depiction Correlation_examples2.svg.
- Correlation_and_dependence isPrimaryTopicOf Correlation_and_dependence.
