**** 2014/06/20 - version 0.2 **** This is the first version available for public download. We wait your comments for futur improvments. **** 2014/09/02 - version 0.3 **** Changing the adjustedLR function to deal with number of at risk subject equal to 0. **** 2016/03/10 - version 0.4 **** The curves are no longer truncated at the last time of event, but are plotted until the last participating time (weither a time of event or a censoring time)