How to Calculate the Correlation Coefficient A simple calculation method is to use what's known as the Pearson correlation coefficient calculator, named after the English mathematician Karl Pearson.

The correlation coefficient is a number between 1 and -1. A number close to 1 means two factors are positively correlated—they rise or fall together and at the same magnitude.

The intraclass correlation coefficient (ICC) and the concordance correlation coefficient (CCC) are two of the most popular measures of agreement for variables measured on a continuous scale. Here, we ...

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R. J. Wherry, A New Formula for Predicting the Shrinkage of the Coefficient of Multiple Correlation, The Annals of Mathematical Statistics, Vol. 2, No. 4 (Nov., 1931), pp. 440-457 ...

We explored the correlation between the deprivation scores calculated by the three different methods using the Pearson correlation coefficient.