Explanation of "R Square" in terms of correlation?
74257
Why is coefficient of determination used to assess fit of a least squares line?
20153
What is the distribution of $R^2$ in linear regression under the null hypothesis? Why is its mode not at zero when $k>3$?
119340
correlation with ordinal variable
110296
Is there a good word for a square-rectangle relationship?
131026
Covariance and independence?
155420
Why does adding more terms into a linear model always increase the r-squared value?
152417
Why to report R squared?
118772
Is R-squared value appropriate for comparing models?
53661
Intuition surrounding units in $R[x]$
81890
What does $2^{\mathbb R}$ mean?
90215
Proof/Derivation of Residual Sum of Squares (Based on Introduction to Statistical Learning)
82729
Prove that $\mathrm E\left({\max}\left\{X^2 , Y^2\right\} \right) \leq 1 + \sqrt{1 - \rho^2}$ where $\rho$ is their correlation.
84575
How do you interpret a significant but weak correlation?
32282
Why I am getting different $R^2$ from R LM and manual calculation?
115055
What makes cross-correlation (R, ccf) different from "sliding" one of the curves by different lags and correlating?
90879
Why correlation is not "transitive"?
132412
How caret calculates R Squared