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statistical correlation

См. также в других словарях:

  • correlation coefficient — correla′tion coeffi cient n. sta one of a number of measures of statistical correlation, usu. assuming values from +1 to −1 • Etymology: 1905–10 …   From formal English to slang

  • Correlation does not imply causation — (related to ignoring a common cause and questionable cause) is a phrase used in science and statistics to emphasize that correlation between two variables does not automatically imply that one causes the other (though correlation is necessary for …   Wikipedia

  • Correlation coefficient — may refer to: Pearson product moment correlation coefficient, also known as r, R, or Pearson s r, a measure of the strength of the linear relationship between two variables that is defined in terms of the (sample) covariance of the variables… …   Wikipedia

  • Correlation function (disambiguation) — Correlation function may refer to: Correlation function, correlation between random variables at two different points in space or time Correlation function (quantum field theory), matrix element computed by inserting a product of operators… …   Wikipedia

  • Statistical Methods for Research Workers — (ISBN 0 05 002170 2) is a classic 1925 book on statistics by the statistician R.A. Fisher. It is considered by some to be one of the 20th century s most influential books on statistical methods. Chapters* Prefaces # Introduction # Diagrams #… …   Wikipedia

  • Statistical survey — Statistical surveys are used to collect quantitative information about items in a population. Surveys of human populations and institutions are common in political polling and government, health, social science and marketing research. A survey… …   Wikipedia

  • Correlation — (statistical term)   In its most general sense, correlation denotes the interdependence between quantitative or qualitative data. It would include the association of dichotomized attributes and the contingency of multiple classified attributes.… …   Energy terms

  • Correlation and dependence — This article is about correlation and dependence in statistical data. For other uses, see correlation (disambiguation). In statistics, dependence refers to any statistical relationship between two random variables or two sets of data. Correlation …   Wikipedia

  • Statistical inference — In statistics, statistical inference is the process of drawing conclusions from data that are subject to random variation, for example, observational errors or sampling variation.[1] More substantially, the terms statistical inference,… …   Wikipedia

  • Statistical hypothesis testing — This article is about frequentist hypothesis testing which is taught in introductory statistics. For Bayesian hypothesis testing, see Bayesian inference. A statistical hypothesis test is a method of making decisions using data, whether from a… …   Wikipedia

  • Statistical dispersion — In statistics, statistical dispersion (also called statistical variability or variation) is variability or spread in a variable or a probability distribution. Common examples of measures of statistical dispersion are the variance, standard… …   Wikipedia

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