Re: [R] interpretation of coefficients in survreg AND obtaining the hazard function for an individual given a set of predictors

2010-11-14 Thread Thomas Lumley
On Sun, Nov 14, 2010 at 6:51 AM, Biau David djmb...@yahoo.fr wrote: Dear R help list, I am modeling some survival data with coxph and survreg (dist='weibull') using package survival. I have 2 problems: 1) I do not understand how to interpret the regression coefficients in the survreg output

[R] interpretation of coefficients in survreg AND obtaining the hazard function for an individual given a set of predictors

2010-11-13 Thread Biau David
Dear R help list, I am modeling some survival data with coxph and survreg (dist='weibull') using package survival. I have 2 problems: 1) I do not understand how to interpret the regression coefficients in the survreg output and it is not clear, for me, from ?survreg.objects how to. Here is an

Re: [R] interpretation of coefficients in survreg AND obtaining the hazard function for an individual given a set of predictors

2010-11-13 Thread David Winsemius
On Nov 13, 2010, at 12:51 PM, Biau David wrote: Dear R help list, I am modeling some survival data with coxph and survreg (dist='weibull') using package survival. I have 2 problems: 1) I do not understand how to interpret the regression coefficients in the survreg output and it is not