Fitting B/C cosmic-ray data in the AMS-02 era: a cookbook - Model numerical precision, data covariance matrix of errors, cross-section nuisance parameters, and mock dataL. Derome, D. Maurin, P. Salati, M. Boudaud, Y. Génolini and P. KunzéA&A, 627 (2019) A158DOI: https://doi.org/10.1051/0004-6361/201935717