Log-Rank Test as A Continuation of The Kaplan-Meier Method in Survival Analysis Using R Language (Case Study: D-penicillamine Treatment on the Probabillity of Survival in Primary Biliary Cirrhosis (PBC) Patients at the Mayo Clinic). Jurnal Matematika, Statistika dan Komputasi, v. 21, n. 1, p. 285–306, 15 Sep.2024.