Why does linear regression use "vertical" distance to the best-fit-line, instead of actual distance?
39186
Why does linear regression use a cost function based on the vertical distance between the hypothesis and the input data point?
85330
Why do we use residuals to test the assumptions on errors in regression?
135366
Why does the linear regression of "x on y" intersect with the linear regression of "y on x" at (x̄, ȳ)?
106004
Linear Regression makes impossible predictions
39548
Multicollinearity in OLS
73201
How to solve collinearity problems in OLS regression?
4627
Optimizing a "black box" function: Linear Regression or Bayesian Optimization... what's the difference?
150631
Linear regression best polynomial (or better approach to use)?
158912
How to reduce the error in linear regression
138120
Linear regression with non-symmetric cost function?
122562
Cross product term in linear regression why is it zero
113737
Meaning of $\hat{\beta}$ of the linear regression model
157141
Confidence interval interpretation in linear regression when errors are not normally distributed
107573
Does the slope of a regression between observed and predicted values always equal the $R^2$ of the original model?
52136
Linear regression with Laplace errors
42773
How to minimize residual sum of squares of an exponential fit?
70260
Reason for not shrinking the bias (intercept) term in regression