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Contents
module Distribution
module ChiSquare
module Statistics2_
class << self
# Return the P-value of the corresponding integral with
# k degrees of freedom
def p_value(pr,k)
Statistics2.pchi2X_(k.to_i, pr)
end
# Chi-square cumulative distribution function (cdf).
#
# Returns the integral of Chi-squared distribution
# with k degrees of freedom over [0, x]
#
def cdf(x, k)
Statistics2.chi2dist(k.to_i,x)
end
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems