lib/distribution/weibull/gsl.rb
module Distribution
module Weibull
module GSL_
class << self
def pdf(x, k, lam)
GSL::Ran.weibull_pdf(x, lam, k)
end
def cdf(x, k, lam)
GSL::Cdf.weibull_P(x, lam, k)
end
def quantile(y, k, lam)
GSL::Cdf.weibull_Pinv(y, lam, k)
end
alias_method :p_value, :quantile
end
end
end
end