XAIRE: An ensemble-based methodology for determining the relative importance of variables in regression tasks. Application to a hospital emergency department. - Antonio Jesús Rivera; J. Cobo Muñoz; M. Dolores Pérez-Godoy; B. Sáenz de San Pedro; Francisco Charte; David A. Elizondo; C. Rodríguez; M. L. Abolafia; A. Perea; María José del Jesus (Artif. Intell. Medicine, 2023)