Frequencies for first 10,000 rows of prov1215 variable in pos1997 dataset :

     speech |
pathologist |
        s - |
arrangement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,858       98.58       98.58
        .05 |          1        0.01       98.59
         .1 |          1        0.01       98.60
         .2 |          1        0.01       98.61
        .25 |         13        0.13       98.74
         .5 |          9        0.09       98.83
        .63 |          1        0.01       98.84
        .75 |          2        0.02       98.86
          1 |         79        0.79       99.65
       1.25 |          1        0.01       99.66
        1.5 |          2        0.02       99.68
       1.75 |          1        0.01       99.69
          2 |         15        0.15       99.84
       2.73 |          1        0.01       99.85
          3 |          3        0.03       99.88
       3.25 |          1        0.01       99.89
        3.5 |          2        0.02       99.91
          4 |          1        0.01       99.92
          5 |          1        0.01       99.93
          7 |          1        0.01       99.94
          8 |          1        0.01       99.95
          9 |          1        0.01       99.96
         12 |          1        0.01       99.97
         20 |          2        0.02       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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