correlation
Definition
Degree and type of relationship between any two or more quantities (variables) in which they vary together over a period; for example, variation in the level of expenditure or savings with variation in the level of income. A positive correlation exists where the high values of one variable are associated with the high values of the other variable(s). A 'negative correlation' means association of high values of one with the low values of the other(s). Correlation can vary from +1 to -1. Values close to +1 indicate a high-degree of positive correlation, and values close to -1 indicate a high degree of negative correlation. Values close to zero indicate poor correlation of either kind, and 0 indicates no correlation at all. While correlation is useful in discovering possible connections between variables, it does not prove or disprove any cause-and-effect (causal) relationships between them. See also regression.
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correlation is in the Statistics, Mathematics, & Analysis subject.
correlation appears in the definitions of the following terms:
negative correlation,
serial correlation,
correlation risk,
matrix diagram,
coefficient of determination (r2),
correlation coefficient,
regression,
goodness of fit,
coefficient of correlation (r),
positive correlation
and
correlation appears in these other term: correlational study
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