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Versions: 10
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Stored size: 535 Bytes
Contents
module Distribution
module Normal
module GSL_
class << self
def rng(mean=0,sigma=1,seed=nil)
seed||=rand(10e8)
rng=GSL::Rng.alloc(GSL::Rng::MT19937,seed)
lambda { mean+rng.gaussian(sigma)}
end
def cdf(x) # :nodoc:
GSL::Cdf::ugaussian_P(x)
end
def pdf(x) # :nodoc:
GSL::Ran::gaussian_pdf(x)
end
def p_value(qn)
GSL::Cdf::ugaussian_Pinv(qn)
end
def gsl
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems