Frequencies for first 10,000 rows of prov1215 variable in pos1991 dataset :

     speech |
pathologist |
        s - |
arrangement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,891       98.91       98.91
        .01 |          1        0.01       98.92
        .25 |         14        0.14       99.06
         .5 |          4        0.04       99.10
        .75 |          1        0.01       99.11
          1 |         62        0.62       99.73
        1.5 |          1        0.01       99.74
       1.75 |          2        0.02       99.76
          2 |         13        0.13       99.89
        2.5 |          1        0.01       99.90
          3 |          1        0.01       99.91
        3.5 |          1        0.01       99.92
          4 |          2        0.02       99.94
          6 |          1        0.01       99.95
        6.5 |          1        0.01       99.96
          8 |          1        0.01       99.97
       10.5 |          1        0.01       99.98
         40 |          1        0.01       99.99
         45 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016