R Under development (unstable) (2024-08-19 r87028 ucrt) -- "Unsuffered Consequences"
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> library(spatPomp)
Loading required package: pomp
> set.seed(2)
> 
> # Note: we need N >= 5 here to make the arma_benchmark stable
> gbm_model <- gbm(U=2,N=5) 
> 
> gbm_pf <- pfilter(gbm_model,Np=5)
> 
> paste("gbm pfilter loglik:",round(logLik(gbm_pf),3))
[1] "gbm pfilter loglik: -30.712"
> 
> ## A call to igirf using the moment-based guide function can test compiled code for eunit_measure, munit_measure, vunit_measure, dunit_measure, runit_measure, rprocess, skeleton, rinit and partrans. 
> 
> gbm_igirf_out <- igirf(gbm_model,
+   Ngirf = 1,
+   rw.sd = rw_sd(rho=0.02, sigma=0.02, tau=0.02),
+   cooling.type = "geometric",
+   cooling.fraction.50 = 0.5,
+   Np=3,
+   Ninter = 1,
+   lookahead = 1,
+   Nguide = 4,
+   kind = 'moment',
+   verbose = FALSE
+ )
> 
> paste("gbm igirf loglik:", round(logLik(gbm_igirf_out),3))
[1] "gbm igirf loglik: -28.075"
> 
> ## --------------------------------------------
> ## using gbm to test arma_benchmark()
> ## ____________________________________________
> 
> a1 <- arma_benchmark(gbm_model,order=c(1,0,0))
> 
> paste("ARMA benchmark:", round(a1$total,3))
[1] "ARMA benchmark: -26.946"
> 
> 
> 
> 
> 
> proc.time()
   user  system elapsed 
   1.17    0.15    4.84