Re: [R] Survreg object

2011-05-16 Thread Terry Therneau
-:begin inclusion --- There can be some risk in creating your own extraction methods, since the author of a package may have had reasons for not making it available, but in this case he did offer a table that includes the --end --- You are reading too deeply. When survreg was written 20+ y

Re: [R] Survreg object

2011-05-14 Thread Prof Brian Ripley
There is however the generic vcov(), which has a method for class "survreg". One good reason for not having a simple means to extract standard errors is that considering coefficients in isolation is often unwise (and has come up on R-help more than once already this month). The summary() met

Re: [R] Survreg object

2011-05-14 Thread David Winsemius
On May 14, 2011, at 5:48 AM, andre bedon wrote: Hi,Just a quick one, does anyone know the command for accessing the standard errors from a survreg object? I can access the coefficients by model$coefficients, but I cant seem to find a command to access the errors. Any help would be greatl

[R] Survreg object

2011-05-14 Thread andre bedon
Hi,Just a quick one, does anyone know the command for accessing the standard errors from a survreg object? I can access the coefficients by model$coefficients, but I cant seem to find a command to access the errors. Any help would be greatly appreciated.Regards,Andre