> On Oct 16, 2017, at 8:28 AM, Meghna Govil <meghna.go...@gmail.com> wrote:
>
> Hi
>
> I'm trying to predict the values for a survreg object called
> loglogistic_na. Here is the definition of loglogistic_na and following that
> the syntax used for the predict function. But upon execution I don't get
> any output. Not sure what I'm doing wrong:
>
> loglogistic_na <- survreg(Surv(time_na,event_na) ~ t_na, dist="loglogistic")
> summary(loglogistic_na)
> extractAIC(weibull_na)
> extractAIC(loglogistic_na)
>
> # first way
> l.pred <- predict(loglogistic_na, train1_model)
> l.pred.q <- predict(loglogistic_na, train1_model,
> type="quantile"p=pct,se=TRUE)
> result <- cbind(data.frame(train1_model, l.pred), l.pred.q)
> names(result) <- c("Actual", "Predicted", "Lower", "Upper")
> head(result)
>
>
> Thanks
>
> [[alternative HTML version deleted]]
I'm wondering if your failure to provide a data argument to survreg leads to a
situation where attempting to use predictions on a newdata argument fails.
--
David
>
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> and provide commented, minimal, self-contained, reproducible code.
David Winsemius
Alameda, CA, USA
'Any technology distinguishable from magic is insufficiently advanced.'
-Gehm's Corollary to Clarke's Third Law
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