something seems odd, yes. can you retry replacing 'bym' with 'bym2' ?
if its still bad, can should share data/code so I can rerun ?
On Sat, 2024-07-20 at 22:17 -0700, sekar dewi wrote:
> Hello,
>
> Currently I'm trying to fit a spatio-temporal model in analyzing dengue cases
> based on meteorology covariates. But when I fit the model, it creates such an
> unsual fitted values, where:
>
> > summary(res$summary.fitted.values["mean"])
> mean
> Min. : 0.000e+00
> 1st Qu.: 0.000e+00
> Median : 5.780e+02
> Mean :1.344e+298
> 3rd Qu.: 1.836e+05
> Max. :8.097e+300
>
> For data understanding, here's my dataset summary:
> Screenshot 2024-07-21 121149.png
> and the formula was:
>
> > formula <- O ~ temperature + rainfall+humidity+
> f(id.zone, model = "bym", graph = jpr.adj) +
> f(
id.zone.int, id.month, model = "iid") +
> id.month
>
> > res <- inla(formula,
> family = "poisson",
> data = data.INLA, E = E,
> control.compute = list(dic = TRUE, waic = TRUE, cpo = TRUE),
> control.predictor = list(compute = TRUE)
> )
>
> Is there something wrong with my dataset or did I have misunderstandings on
> defining my model? Thank you
>
> Sincerly,
>
> Sekar
>
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