Correlation coefficients can mean a positive, negative, or no relationship between two variables. Use correlation coefficients to help pick securities for your portfolio.

The coefficient of determination shows the level of correlation between one dependent and one independent variable. It's also called r 2 or r-squared. The value should be between 0.0 and 1.0.

The Annals of Mathematical Statistics, Vol. 29, No. 1 (Mar., 1958), pp. 201-211 (11 pages) This paper deals with the unbiased estimation of the correlation of two variates having a bivariate normal ...

Recent theory and methodology for inferences concerning the intraclass correlation coefficient are reviewed, under the assumption of an underlying random effects model. Topics discussed include point ...