An R-squared figure of zero indicates no correlation. Regression analysis is complicated to do by hand, but spreadsheets make it easier.

The simplest form of regression in Python is, well, simple linear regression. With simple linear regression, you're trying to ...

Joint mean-covariance regression modeling with unconstrained parametrization for continuous longitudinal data has provided statisticians and practitioners with a powerful analytical device. How to ...

Example: In the late 1940s, a nationwide study conducted over several years found a high correlation between the incidence rate of new cases of polio among children in a community, and per capita ice ...

Jun Shao, Hansheng Wang, Sample Correlation Coefficients Based on Survey Data under Regression Imputation, Journal of the American Statistical Association, Vol. 97, No. 458 (Jun., 2002), pp. 544-552 ...

The correlation coefficient is a linear regression performed on each stock's returns against the other. If mapped graphically, a positive correlation would show an upward-sloping line.