Definition of Correlation coefficient

1. Noun. 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?"

Definition of Correlation coefficient

1. Noun. (statistics) Any of the several measures indicating the strength and direction of a linear relationship between two random variables. ¹

¹ Source: wiktionary.com

Medical Definition of Correlation coefficient

1. A measure of association that indicates the degree to which two variables have a linear relationship; this coefficient, represented by the letter r, can vary between +1 and -1; when r = +1, there is a perfect positive linear relationship in which one variable relates directly with the other; when r = -1, there is a perfect negative linear relationship between the variables. (05 Mar 2000)

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Lexicographical Neighbors of Correlation Coefficient

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Literary usage of Correlation coefficient

Below you will find example usage of this term as found in modern and/or classical literature:

1. Publications of the American Statistical Association by American Statistical Association (1920)
"The recent papers of Reed* and Harris in these Publications have brought to ray mind some simple cases in which a correlation coefficient is zero although ..."

2. Fundamentals of Educational Measurement with the Elements of Statistical Method by Chester Arthur Gregory (1922)
"The Reliability of the correlation coefficient.—We found the coefficient of correlation between abilities in Latin and in mathematics to be 0.107. ..."

3. Principles of Breeding: A Treatise on Thremmatology Or the Principles and by Eugene Davenport, Henry Lewis Rietz (1907)
"SECTION IV —THE correlation coefficient A mere inspection of the correlation table just given suggests that, in general, short ears are light ears, ..."

4. Statistical Methods: With Special Reference to Biological Variation by Charles Benedict Davenport (1904)
"... r2= correlation coefficient between fraternity and female parent; r,= correlation coefficient between fraternity and male parent; CT! ..."

5. The Town of San Felipe and Colonial Cacao Economies by Eugenio Piñero (1994)
"The correlation coefficient for the Company's exports was .48 for the ... The correlation coefficient of the merchants' and the Company's fanegas was .31. ..."

6. The Scientific Monthly by American Association for the Advancement of Science (1917)
"... are said to have a correlation coefficient +1- Two functions, like the heights of two ends of a balance, which are so connected that increase of one ..."

7. Inequalities in Statistics and Probability: Proceedings of the Symposium on by Yung Liang Tong (1984)
"... above are the only sets whose probabilities increase with the correlation coefficient when the means and the variances of X\, Xi take arbitrary values. ..."