Frequencies for first 10,000 rows of prov1210 variable in pos1991 dataset :

     speech |
pathologist |
  s - total |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,823       98.23       98.23
        .02 |          1        0.01       98.24
        .25 |         16        0.16       98.40
         .4 |          1        0.01       98.41
         .5 |          4        0.04       98.45
          1 |         60        0.60       99.05
       1.25 |          1        0.01       99.06
        1.5 |          5        0.05       99.11
       1.75 |          1        0.01       99.12
          2 |         36        0.36       99.48
       2.25 |          1        0.01       99.49
        2.5 |          3        0.03       99.52
       2.75 |          1        0.01       99.53
          3 |         12        0.12       99.65
        3.5 |          3        0.03       99.68
          4 |          6        0.06       99.74
          5 |          6        0.06       99.80
          6 |          6        0.06       99.86
        6.5 |          1        0.01       99.87
       6.75 |          1        0.01       99.88
          7 |          4        0.04       99.92
          9 |          1        0.01       99.93
         10 |          1        0.01       99.94
       10.5 |          1        0.01       99.95
         11 |          1        0.01       99.96
      17.75 |          1        0.01       99.97
         26 |          1        0.01       99.98
         42 |          1        0.01       99.99
         46 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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