metric,value "n_ols",2342 "k_ols",2 "rank_ols",3 "df_ols",2339 "sse_ols",65.691748161464361 "s2_ols",.028085398957445218 "rmse2_ols",.028085398957445214 "naive_s2",.028049422784570607 "residual_sse",65.691748161464361 "residual_sum",3.7175124090182976e-15 "board_residual_sum",-3.2559024920608692e-13 "independent_residual_sum",-1.2151636305263863e-15