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############### AntMAN Package : Tests and Examples
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### Load the AntMan package
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library("AntMAN")
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### BUILD THE UNIVARIATE POISSON DATA
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set.seed(123)
demo_univariate_poisson <-AM_sample_unipois(n=1000,pro=c(0.2,0.5,0.3),mth=c(5,25,50))
y_uvp <- demo_univariate_poisson$y
ci_uvp <- demo_univariate_poisson$ci
hist(y_uvp,freq=FALSE,nclass=15,col=colors()[4])
plot(1:length(y_uvp),y_uvp,col=ci_uvp+1)
##############################################################################
### [NEW INTERFACE] PREPARE THE GIBBS for Poisson mixture with poisson dirac priors
##############################################################################
mcmc_params = AM_mcmc_parameters(niter=2000, burnin=1000, thin=10, verbose=0, output=c("ALL"))
mixture_uvp_params = AM_mix_hyperparams_unipois (alpha0=2, beta0=0.2)
components_prior = AM_mix_components_prior_dirac (Mstar=5)
weights_prior = AM_mix_weights_prior_gamma(init=2, a=1, b=1)
init_ci_uvp <- 0:(length(y_uvp)-1);
fit_poisson_dirac <- AM_mcmc_fit(
y = y_uvp, init_K=1,
mix_kernel_hyperparams = mixture_uvp_params,
mix_components_prior =components_prior,
mix_weight_prior = weights_prior,
mcmc_parameters = mcmc_params)
summary (fit_poisson_dirac)
plot (fit_poisson_dirac)
eam = AM_clustering(fit_poisson_dirac)
cluster = AM_salso(eam, "binder")
#cluster = AM_binder(fit_poisson_dirac)$cluster
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