Causality of the regression
126601
Does simple linear regression imply causation?
83589
Regression on a portion of the graph with columns (at the beginning)
127382
What is the expected correlation between residual and the dependent variable?
124337
Degrees of freedom in regression
96190
How can the regression error term ever be correlated with the explanatory variables?
20900
Regression without intercept: deriving $\hat{\beta}_1$ in least squares (no matrices)
105136
relation between $R^2$ of simple regression and multiple regression
16308
Is the response linear in the predictor variable in the linear regression model?
22668
Linear vs. nonlinear regression
10730
Proof that regression residual error is an unbiased estimate of error variance
155661
Linear regression with fixed point
107573
Does the slope of a regression between observed and predicted values always equal the $R^2$ of the original model?
29150
Interpretation of the regression coefficient of a proportion type independent variable
61051
Covariance term in simple linear regression
107157
Interpreting Regression Diagnostic Plots
36891
Properties of logistic regressions
3401
The variance of linear regression estimator $\beta_1$