linear models vs. correlations (Pearson, Spearman, Kendall)
119340
correlation with ordinal variable
12444
Multivariate linear regression vs. several univariate regression models
18254
Is R-squared truly an invalid metric for non-linear models?
154912
Does correlation between variables in an interaction matter?
54879
Using x to predict y when they are highly correlated
70943
Correlation between dichotomous and continuous variable
38969
Why does Covariance measure only Linear dependence?
59126
When to use Fisher and Neyman-Pearson framework?
22668
Linear vs. nonlinear regression
75298
Standardization of variables and collinearity
73902
summary of lm to compare models instead of ANOVA
26034
Choosing variables to include in a multiple linear regression model
130389
Does non-zero correlation imply dependence?
90880
Linear mixed-effects modeling with twin study data
17185
What is the meaning of the correlation in glm
22754
"matrix is not positive definite" - even when highly correlated variables are removed
7970
Why does the product of the bivariate regression coefficients of the $y$-on-$x$ line and $x$-on-$y$ line equal the square of the correlation?