TY - JOUR T1 - Regression by minimum sum of absolute errors a note on perfect multicollinearity JF - Philippine Review of Economics and Business (formerly The Philippine Review of Business and Economics) A1 - Danao, Rolando A. LA - English YR - 1983 UL - https://tuklas.up.edu.ph/Record/IPP-00000244451 KW - Multicollinearity KW - Regression analysis ER -