KAMINSKIY R, SHAKHOVSKA N, DMYTRIV G. CONSTRUCTION OF A REGRESSION MODEL FOR A SMALL SAMPLE OF MULTIDIMENSIONAL DATA ON THE EXAMPLE OF PATIENTS’ RECOVERY TIMES FROM COVID-19. Herald of Khmelnytskyi National University. Technical sciences. 2025;347(1):448-454. doi:10.31891/2307-5732-2025-347-61