The power of principled bayesian methods in the study of stellar evolution T. von Hippel, D.A. van Dyk, D.C. Stenning, E. Robinson, E. Jeffery, N. Stein, W.H. Jefferys and E. O'Malley EAS Publications Series, 65 (2014) 267-287 Published online: 14 November 2014 DOI: 10.1051/eas/1465007