Frequencies for first 10,000 rows of prov1215 variable in pos1999 dataset :

     speech |
pathologist |
        s - |
arrangement |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,853       98.53       98.53
        .05 |          1        0.01       98.54
         .1 |          1        0.01       98.55
         .2 |          1        0.01       98.56
        .25 |         17        0.17       98.73
         .5 |         10        0.10       98.83
        .75 |          2        0.02       98.85
          1 |         80        0.80       99.65
       1.25 |          1        0.01       99.66
        1.5 |          2        0.02       99.68
       1.75 |          1        0.01       99.69
          2 |         16        0.16       99.85
       2.73 |          1        0.01       99.86
          3 |          1        0.01       99.87
       3.25 |          1        0.01       99.88
        3.5 |          2        0.02       99.90
          4 |          1        0.01       99.91
          5 |          1        0.01       99.92
          7 |          1        0.01       99.93
          8 |          1        0.01       99.94
          9 |          2        0.02       99.96
         12 |          2        0.02       99.98
         20 |          1        0.01       99.99
         40 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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