Frequencies for first 10,000 rows of prov1015 variable in pos1999 dataset :

      nurse |
practitione |
         rs |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,605       96.05       96.05
        .05 |          2        0.02       96.07
        .06 |          2        0.02       96.09
        .08 |          2        0.02       96.11
         .1 |          1        0.01       96.12
         .2 |          3        0.03       96.15
        .25 |          8        0.08       96.23
         .3 |          2        0.02       96.25
         .4 |          1        0.01       96.26
         .5 |         41        0.41       96.67
         .6 |         10        0.10       96.77
        .75 |         12        0.12       96.89
         .8 |          3        0.03       96.92
          1 |        263        2.63       99.55
        1.2 |          1        0.01       99.56
       1.25 |          3        0.03       99.59
        1.4 |          2        0.02       99.61
        1.5 |          7        0.07       99.68
        1.6 |          1        0.01       99.69
       1.75 |          3        0.03       99.72
          2 |         15        0.15       99.87
       2.25 |          1        0.01       99.88
        2.5 |          2        0.02       99.90
          3 |          1        0.01       99.91
        3.5 |          1        0.01       99.92
          4 |          1        0.01       99.93
          5 |          2        0.02       99.95
       5.31 |          1        0.01       99.96
        7.5 |          1        0.01       99.97
          8 |          1        0.01       99.98
         10 |          1        0.01       99.99
        100 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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