Correlation measures the relationship between two variables. Learn how to calculate the correlation coefficient between market indicators and stock prices.

We develop Mardia's concept of a linear-circular correlation coefficient, obtaining distributions of statistics under various hypotheses. Mardia's data on simian natality are discussed in the light of ...

Stuart R. Lipsitz, Traci Leong, Joseph Ibrahim, Steven Lipshultz, A Partial Correlation Coefficient and Coefficient of Determination for Multivariate Normal Repeated Measures Data, Journal of the ...