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require 'distribution/poisson/ruby'
require 'distribution/poisson/gsl'
require 'distribution/poisson/java'
module Distribution
# From Wikipedia
# In probability theory and statistics, the Poisson distribution is
# a discrete probability distribution that expresses the probability of
# a number of events occurring in a fixed period of time if these
# events occur with a known average rate and independently of the time
# since the last event.
module Poisson
SHORTHAND='pois'
extend Distributable
create_distribution_methods
##
# :singleton-method: pdf(k , l)
# PDF for Poisson distribution,
# [+k+] is the number of occurrences of an event
# [+l+] is a positive real number, equal to the expected number of occurrences that occur during the given interval.
##
# :singleton-method: cdf(k , l)
# CDF for Poisson distribution
# [+k+] is the number of occurrences of an event
# [+l+] is a positive real number, equal to the expected number of occurrences that occur during the given interval.
# TODO: Not implemented yet
# :singleton-method: p_value(pr , l)
end
end
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