a # 1 60 R ' r#freq a                                                   '
a # a,[1]  ' r#(I2)sortda`Or,[Lio+0.5]+`/aJ.=r#drep a#,a                '
a # a,[1]  ' $0                                                         '
a # a,[1]  '"freq - frequency distribution of elements.                 '
a # a,[1]  '"from ''the apl handbook of techniques'' copyright 1978, ibm. '
a # a,[1]  '"-the arguments must be numeric codes, or numeric           '
a # a,[1]  '" representations of character groups.                      '
a # a,[1]  '"-two numeric columns will be returned: the first, the      '
a # a,[1]  '" count, or frequency; the second, the corresponding        '
a # a,[1]  '" category.                                                 '
a # a,[1]  '"-frequency will appear in descending order, within which   '
a # a,[1]  '" the categories will ascend.                               '
a # a,[1]  '"-uses: Gdrep                                               '
a # a,[1]  '" a is a numeric structure. use ljnform or nform to convert.'
a # a,[1]  '" if the argument is a converted character matrix, the      '
a # a,[1]  '" second column of the result can be reconverted by kform.  '
Lfx a