Re: [R] Survival Analysis Daily Time-Varying Covariate....

2010-09-17 Thread Terry Therneau
Help! I am unsure if I can analyze data from the following experiment. Fish were placed in a tank at (t=0) Measurements of Carbon Dioxide were taken each day for 120 days (t=0,...120) A few fish were then randomly pulled out of the tank at different days, killed and examined for the presence of a

Re: [R] Survival Analysis Daily Time-Varying Covariate but Event Time Unknown

2010-09-16 Thread David Winsemius
On Sep 16, 2010, at 4:43 PM, David Winsemius wrote: On Sep 16, 2010, at 12:14 PM, smm7aa wrote: Help! I am unsure if I can analyze data from the following experiment. Fish were placed in a tank at (t=0) Measurements of Carbon Dioxide were taken each day for 120 days (t=0,...120) A few f

Re: [R] Survival Analysis Daily Time-Varying Covariate but Event Time Unknown

2010-09-16 Thread David Winsemius
On Sep 16, 2010, at 12:14 PM, smm7aa wrote: Help! I am unsure if I can analyze data from the following experiment. Fish were placed in a tank at (t=0) Measurements of Carbon Dioxide were taken each day for 120 days (t=0,...120) A few fish were then randomly pulled out of the tank at differ

[R] Survival Analysis Daily Time-Varying Covariate but Event Time Unknown

2010-09-16 Thread smm7aa
Help! I am unsure if I can analyze data from the following experiment. Fish were placed in a tank at (t=0) Measurements of Carbon Dioxide were taken each day for 120 days (t=0,...120) A few fish were then randomly pulled out of the tank at different days, killed and examined for the presence of