(maxima.info)Functions and Variables for special distributions

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83.4 Functions and Variables for special distributions
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 -- Function: pdf_signed_rank (<x>, <n>)
     Probability density function of the exact distribution of the
     signed rank statistic.  Argument <x> is a real number and <n> a
     positive integer.

     See also 'test_signed_rank'.

 -- Function: cdf_signed_rank (<x>, <n>)
     Cumulative density function of the exact distribution of the signed
     rank statistic.  Argument <x> is a real number and <n> a positive
     integer.

     See also 'test_signed_rank'.

 -- Function: pdf_rank_sum (<x>, <n>, <m>)
     Probability density function of the exact distribution of the rank
     sum statistic.  Argument <x> is a real number and <n> and <m> are
     both positive integers.

     See also 'test_rank_sum'.

 -- Function: cdf_rank_sum (<x>, <n>, <m>)
     Cumulative density function of the exact distribution of the rank
     sum statistic.  Argument <x> is a real number and <n> and <m> are
     both positive integers.

     See also 'test_rank_sum'.