Hi all, I just uploaded an update to the interval package that does NPMLE estimates of survival distribution and weighted logrank tests for interval censored data. The update now includes a confidence interval method for the survival that uses a modified bootstrap method. Mike ****************************************************************** Michael P. Fay, PhD Mathematical Statistician National Institute of Allergy and Infectious Diseases Tel: 301-451-5124 Fax:301-480-0912 (U.S. postal mail address) 6700B Rockledge Drive MSC 7609 Bethesda, MD 20892-7609 (Overnight mail address) 6700-A Rockledge Drive, Room 5133 Bethesda, MD 20817 http://www3.niaid.nih.gov/about/organization/dcr/BRB/staff/michael.htm ********************************************************************** Disclaimer: The information in this e-mail and any of its attachment...{{dropped:7}}