poisson_dist: Construct a Poisson distribution object.
In algebraic.dist: Algebra over Probability Distributions
poisson_dist R Documentation
Construct a Poisson distribution object.
Description
Creates an S3 object representing a Poisson distribution with rate
parameter \lambda. The PMF is
P(X = k) = \lambda^k e^{-\lambda} / k! for k = 0, 1, 2, \ldots.
Usage
poisson_dist(lambda)
Arguments
lambda
Rate parameter (mean), must be a positive scalar.
Value
A poisson_dist object with classes
c("poisson_dist", "univariate_dist", "discrete_dist", "dist").
Examples
x <- poisson_dist(lambda = 5)
mean(x)
vcov(x)
format(x)
algebraic.dist documentation built on Feb. 27, 2026, 5:06 p.m.
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| poisson_dist | R Documentation |
Construct a Poisson distribution object.
Description
Creates an S3 object representing a Poisson distribution with rate
parameter \lambda. The PMF is
P(X = k) = \lambda^k e^{-\lambda} / k! for k = 0, 1, 2, \ldots.
Usage
poisson_dist(lambda)
Arguments
lambda |
Rate parameter (mean), must be a positive scalar. |
Value
A poisson_dist object with classes
c("poisson_dist", "univariate_dist", "discrete_dist", "dist").
Examples
x <- poisson_dist(lambda = 5)
mean(x)
vcov(x)
format(x)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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