In the NBA, coaches play a crucial role in game strategy, player development, and managing team dynamics. However, quantifying coaching impact remains a challenge, as it is difficult to isolate a coach’s influence from that of their players. Unlike the plethora of statistics available for evaluating players, coaching performance is assessed far more subjectively. This study introduces a new metric, Box Plus-Minus (BPM) Over Expected (BOE), that evaluates coaches based on how their players ...
