Regression Equations, Generalized Least Squares, Correlation Matrices, Python, Statsmodels.
RAR_Metals', 'RAR_Ford ~ RAR_Auto', 'RAR_Tesla ~ RAR_Auto', 'RAR_Google ~ RAR_Technology', 'RAR_Microsoft ~ RAR_Technology'] Create a DataFrame to store the residual errors from the M models. Each column will contain the N residuals from each one of the M regression models: df_OLS_resid =