Maxima Manual: Functions and Variables for special distributions

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### 71.4 Functions and Variables for special distributions

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`.

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