Oazeta {VGAM} | R Documentation |
Density, distribution function, quantile function and random generation
for the one-altered zeta distribution with parameter pobs1
.
doazeta(x, shape, pobs1 = 0, log = FALSE) poazeta(q, shape, pobs1 = 0) qoazeta(p, shape, pobs1 = 0) roazeta(n, shape, pobs1 = 0)
x, q, n, p |
Same |
shape, log |
Same as |
pobs1 |
Probability of (an observed) one, called pobs1.
The default value of |
The probability function of Y is 1 with probability pobs1
,
else a 1-truncated
zeta
distribution.
doazeta
gives the density and
poazeta
gives the distribution function,
qoazeta
gives the quantile function, and
roazeta
generates random deviates.
The argument pobs1
is recycled to the required length, and
must have values which lie in the interval [0,1].
T. W. Yee
shape <- 1.1; pobs1 <- 0.10; x <- (-1):7 doazeta(x, shape = shape, pobs1 = pobs1) table(roazeta(100, shape = shape, pobs1 = pobs1)) ## Not run: x <- 0:10 barplot(rbind(doazeta(x, shape = shape, pobs1 = pobs1), dzeta(x, shape = shape)), beside = TRUE, col = c("blue", "orange"), cex.main = 0.7, las = 1, ylab = "Probability", names.arg = as.character(x), main = paste("OAZ(shape = ", shape, ", pobs1 = ", pobs1, ") [blue] vs", " zeta(shape = ", shape, ") [orange] densities", sep = "")) ## End(Not run)