# NOT RUN {
lambda <- 3; pobs0 <- 0.2; x <- (-1):7
(ii <- dzapois(x, lambda, pobs0))
max(abs(cumsum(ii) - pzapois(x, lambda, pobs0))) # Should be 0
table(rzapois(100, lambda, pobs0))
table(qzapois(runif(100), lambda, pobs0))
round(dzapois(0:10, lambda, pobs0) * 100) # Should be similar
# }
# NOT RUN {
x <- 0:10
barplot(rbind(dzapois(x, lambda, pobs0), dpois(x, lambda)),
beside = TRUE, col = c("blue", "green"), las = 1,
main = paste("ZAP(", lambda, ", pobs0 = ", pobs0, ") [blue] vs",
" Poisson(", lambda, ") [green] densities", sep = ""),
names.arg = as.character(x), ylab = "Probability")
# }
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