Range of values of $R^2$ for a two-feature linear model based on the $R^2$s of one-feature linear models?
105136
relation between $R^2$ of simple regression and multiple regression
147938
MAPE vs R-squared in regression models
134109
Why does the degree of freedom of SSR equals 1 in simple linear regression
39548
Multicollinearity in OLS
52136
Linear regression with Laplace errors
113737
Meaning of $\hat{\beta}$ of the linear regression model
29006
Kernel ridge regression with matrix-vector data set $S := \{ X_i, y_i \}_{i=1}^{N}$?
91200
Fitting polynomial model to data in R
120206
How to interpret coefficients of $x$ and $x^2$ in same regression
158743
Prediction intervals for a single random variable
67090
Casting a multivariate linear model as a multiple regression
109914
Generalized Least Squares vs Ordinary Least Squares under a special case
94853
The linearity of variance
13616
Removal of statistically significant intercept term increases $R^2$ in linear model
98586
Mathematical Basis behind inflation of Standard errors of Regression estimates due to multicollinearity
92621
Software package to solve L-infinity norm linear regression
124337
Degrees of freedom in regression