Revision 61fc3cd89e7f6776279333b534652356c7059f89 authored by Charles J. Geyer on 13 June 2021, 03:40:32 UTC, committed by cran-robot on 13 June 2021, 03:40:32 UTC
1 parent 1cc05f6
famnzp.R
library(aster)
ifam <- fam.truncated.poisson(truncation = 0)
# change to include all cases in case splitting
# see ../src/astfam.c lines 338 to 373
theta <- seq(-6, 6, 0.5)
mu <- exp(theta)
zeroth <- double(length(theta))
first <- double(length(theta))
second <- double(length(theta))
for (i in seq(along = theta)) {
zeroth[i] <- famfun(ifam, 0, theta[i])
first[i] <- famfun(ifam, 1, theta[i])
second[i] <- famfun(ifam, 2, theta[i])
}
all.equal(zeroth, log(exp(mu) - 1))
tau <- mu / (1 - exp(- mu))
all.equal(first, tau)
all.equal(second, tau * (1 - tau * exp(- mu)))
Computing file changes ...
