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Density and random generation for the zero inflated Poisson distribution.
dZIP(x, lambda, r)rZIP(n, lambda, r)
rZIP(n, lambda, r)
vector of (non-negative integer) quantiles.
vector of (non-negative) means.
probability of excess zeros.
number of random values to return.
Poisson distribution: Poisson.
Poisson
# NOT RUN { rZIP(15, 1.9, 0.9) # }
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