TY JOUR TI A PROGRAM FOR CALCULATING PARAMETERS IN MULTIPLE LINEAR REGRESSION MODELS KW multiple linear regression KW least squares method KW program development JO Modern Technologies and Scientific and Technological Progress AU Demidchenko, E.A. AU Istomin, A.L. PY 2026 IS 2026 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»