Re: [R] Survival analysis with truncated data

2013-11-14 Thread Nicolas Palix
Hi, Thanks for your response. On Thu, Nov 14, 2013 at 4:44 PM, Terry Therneau wrote: > I think that your data is censored, not truncated. > For a fault introduced 1/2005 and erased 2/2006, duration = 13 months > For a fault introduced 4/2010 and still in existence at the last > observation 1

Re: [R] Survival analysis with truncated data

2013-11-14 Thread Terry Therneau
I think that your data is censored, not truncated. For a fault introduced 1/2005 and erased 2/2006, duration = 13 months For a fault introduced 4/2010 and still in existence at the last observation 12/2010, duration> 8 months. For a fault introduced before 2004, erased 3/2005, in a machine

[R] Survival analysis with truncated data.

2013-11-13 Thread Nicolas Palix
Hi, I would like to know how to handle truncated data. My intend is to have the survival curve of a software fault in order to have some information about fault lifespan. I have some observations of a software system between 2004 and 2010. The system was first released in 1994. The event consider