On 08 Apr 2015, at 10:14 , CHIRIBOGA Xavier wrote:
> Dear members,
>
>
>
> I am trying a survival analysis , I got:
>
>
>
> Error: could not find function "survreg"
>
>
>
> I already load
>
> the packages: survival
>
> the function: splines
>
Load or install? I suspect you actually
Dear members,
I am trying a survival analysis , I got:
Error: could not find function "survreg"
I already load
the packages: survival
the function: splines
What can I do?
Thanks for you help,
Xavier
__
R-help@r-project.org mailing lis
Hi,
I need some help to manage frailty in Survreg function; in particular I'm
looking for more information about frailty in survreg function applied to a
loglogistic hazard function.
Actually I need to develope a predictor for frailty random variable realization
(similar to the Proportional Haz
I a trying to use survreg to fit a Weibull distribution. From the last few
messages I understand how to interpret the parameters. However, how do I get
the covariance of lambda and alpha? Is there a predict command for that?
Thanks
--
View this message in context:
http://n4.nabble.com/Survreg-f
reading the r-help list. My suggestion is that you
> copy this to the list.
> --David
> On Nov 13, 2009, at 9:02 AM, carol white wrote:
>
> > Thanks for your reply.
> >
> > which parameter presents the base line scale
> parameter? How is it possible to set the sha
On Nov 13, 2009, at 3:17 AM, carol white wrote:
Hi,
Is it normal to get intercept in the list of covariates in the
output of survreg function with standard error, z, p.value etc? Does
it mean that intercept was fitted with the covariates? Does Value
column represent coefficients or some t
Hi,
Is it normal to get intercept in the list of covariates in the output of
survreg function with standard error, z, p.value etc? Does it mean that
intercept was fitted with the covariates? Does Value column represent
coefficients or some thing else?
Regards,
-
I am trying to estimate by MLE weibull coefficients and deviation. But how
can i estimate deviation? I tried to find at the list and at the internet
this but couldn't make it. Anyone could help me on this?
Thanks.
[[alternative HTML version deleted]]
Dear Terry,
Thanks a lot for your reply. The result of survreg reads like:
Call:
survreg(formula = Surv(end, status) ~ fico_demean, data = raw,
dist = "loglogistic", model = TRUE)
Value Std. Error z p
(Intercept) 2.98365 1.34e-03 2233.2 0.00e+00
fico_demean
---begin included message --
I am trying to use R to do loglogistic hazard estimation. My plan is to
generate a loglogistic hazard sample data and then use survreg to estimate
it. If everything is correct, survreg should return the parameters I have
used to generate the sample data.
I have w
I am trying to use R to do loglogistic hazard estimation. My plan is to
generate a loglogistic hazard sample data and then use survreg to estimate
it. If everything is correct, survreg should return the parameters I have
used to generate the sample data.
I have written the following code to d
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