coefficient of correlation


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Related to coefficient of correlation: Coefficient of determination

coefficient of correlation

n. pl. coefficients of correlation
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Noun1.coefficient of correlation - a statistic representing how closely two variables co-vary; it can vary from -1 (perfect negative correlation) through 0 (no correlation) to +1 (perfect positive correlation); "what is the correlation between those two variables?"
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
parametric statistic - any statistic computed by procedures that assume the data were drawn from a particular distribution
Pearson product-moment correlation coefficient, product-moment correlation coefficient - the most commonly used method of computing a correlation coefficient between variables that are linearly related
multiple correlation coefficient - an estimate of the combined influence of two or more variables on the observed (dependent) variable
biserial correlation, biserial correlation coefficient - a correlation coefficient in which one variable is many-valued and the other is dichotomous
chance-half correlation, split-half correlation - a correlation coefficient calculated between scores on two halves of a test; taken as an indication of the reliability of the test
tetrachoric correlation, tetrachoric correlation coefficient - a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy
References in periodicals archive ?
Results: Pearson product-moment coefficient of correlation was computed to find out the relationship among variables.
In order to find out whether there is a significant association or not between two variables, coefficient of correlation was calculated.
The detennination of estimates of variance and covariance phenotypic, genotypic and enviromnent between the characters in pairs allows to continue the evaluations by obtaining the genotypic, phenotypic and environment correlations, according to KEMPTHORNE (1966), using the equations: Genotypic coefficient of correlation - rg = C[?
The identity is represented by the coefficient of correlation.
Factors which have high correlation between them include: entry requirement and completion period with coefficient of correlation value of 0.
Interpretation of the Computed Correlation Coefficient A common guide given by Mangal15 for interpreting a coefficient of correlation is used.
A significant but weak coefficient of correlation and coefficient of determination were found between the observed values and those predicted according to Pont's index.
The coefficient of correlation (r) shows the degree/ intensity of a relationship between two variables.
The difference between reliability indices of the systems of the events and their components should depend on the coefficient of correlation [[rho].
The importance of the coefficient of correlation and of the checked approximating function for the 95% level of reliability is defined by the inequality [13]:
These arrival flows are the stationary Poisson processes with the coefficient of correlation equal to 0 and the coefficient of variation equal to 1.
Akaike information criterion, Shwartz information criterion, coefficient of determination, coefficient of correlation, root mean square error and mean absolute error.

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