Frequencies for first 10,000 rows of prov1015 variable in pos1993 dataset :

      nurse |
practitione |
         rs |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,827       98.27       98.27
        .05 |          1        0.01       98.28
        .06 |          1        0.01       98.29
        .25 |          5        0.05       98.34
         .3 |          1        0.01       98.35
         .4 |          1        0.01       98.36
         .5 |         20        0.20       98.56
         .6 |          4        0.04       98.60
        .75 |          7        0.07       98.67
         .8 |          1        0.01       98.68
          1 |        104        1.04       99.72
        1.1 |          2        0.02       99.74
       1.25 |          3        0.03       99.77
        1.4 |          1        0.01       99.78
        1.5 |          2        0.02       99.80
       1.75 |          2        0.02       99.82
          2 |          9        0.09       99.91
       2.25 |          3        0.03       99.94
        2.5 |          1        0.01       99.95
        3.5 |          1        0.01       99.96
          4 |          1        0.01       99.97
          5 |          1        0.01       99.98
        7.5 |          1        0.01       99.99
         10 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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