TY JOUR TI Using Discriminant Analysis to Students’ Aggregate Knowledge Assessments in Nominal Scales KW aggregation KW discriminant function KW training sample KW distribution density KW fuzzy sets KW membership function JO Ergodesign AU Bagretsov, S.A. AU Mishchenko, E.V. AU Rozanova, L.V. PY 2023 IS 2023 PB Bryansk State Technical University