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What is Understanding Correlation Coefficient (r) about?

This document discusses the simple correlation coefficient (r) and the coefficient of determination (R-squared). [1] It defines r as a measure of the strength and direction of the linear relationship between two quantitative variables. [2] It provides the formula to calculate r and shows an example calculation. [3] It then introduces R-squared as a measure of how well the linear regression line fits the data, which is calculated by squaring r.

Author

Rohit Pant

Language

EN