Loads data from Freireich EJ et al., “The Effect of 6-Mercaptopurine on the Duration of Steriod-induced Remissions in Acute Leukemia: A Model for Evaluation of Other Potentially Useful Therapy” Blood 1963


Variables included are
t: time status: event indicator (0: censored, 1: relapsed) sex: male, female logwbc: log-transformed white blood cell count treat: treatment indicator
Returns:Returns pandas DataFrame
Return type:DataFrame