Module: Distribution::T::Statistics2_

Defined in:
lib/distribution/t/statistics2.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.p_value(pr, k) ⇒ Object

Return the P-value of the corresponding integral with k degrees of freedom



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# File 'lib/distribution/t/statistics2.rb', line 8

def p_value(pr,k)
  Statistics2.ptdist(k, pr)
end

Instance Method Details

#cdf(x, k) ⇒ Object

T cumulative distribution function (cdf).

Returns the integral of t-distribution with n degrees of freedom over (-Infty, x].



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# File 'lib/distribution/t/statistics2.rb', line 20

def cdf(x,k)
  Statistics2.tdist(k,x)
end