TY - JOUR AU - Dangalchev, Chavdar TI - Using entropy of categorical data for clustering JO - Mathematics and Education in Mathematics PY - 2020 SP - 133 EP - 136 VL - 49 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MEM_2020_49_a12/ LA - en ID - MEM_2020_49_a12 ER -