Module: Distribution::Normal::Java_

Defined in:
lib/distribution/normal/java.rb

Overview

TODO

Class Method Summary collapse

Class Method Details

.cdf(x) ⇒ Object

Return the cumulative density function at x



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# File 'lib/distribution/normal/java.rb', line 22

def cdf(x)
  dist = NormalDistributionImpl.new
  dist.cumulativeProbability(x)
end

.p_value(qn) ⇒ Object

Get the inverse cumulative density function (p-value) for qn



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# File 'lib/distribution/normal/java.rb', line 15

def p_value(qn)
  dist = NormalDistributionImpl.new
  dist.inverseCumulativeProbability(qn)
end

.pdf(x) ⇒ Object

Return the probability density function at x



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# File 'lib/distribution/normal/java.rb', line 29

def pdf(x)
  dist = NormalDistributionImpl.new
  dist.density(x)
end

.rng(mean = 0, sigma = 1, seed = nil) ⇒ Object

Generate random variables from the provided distribution



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# File 'lib/distribution/normal/java.rb', line 8

def rng(mean=0,sigma=1,seed=nil)
  dist = NormalDistributionImpl.new(mean, sigma)
  lambda { dist.sample }
end