Frequencies for first 10,000 rows of prov5540 variable in pos2004 dataset :

  number of |
   patients |
   tue. 4th |
      shift |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,962       99.62       99.62
          1 |          2        0.02       99.64
          2 |          2        0.02       99.66
          4 |          2        0.02       99.68
          5 |          2        0.02       99.70
          6 |          5        0.05       99.75
          7 |          2        0.02       99.77
          8 |          2        0.02       99.79
          9 |          1        0.01       99.80
         10 |          4        0.04       99.84
         11 |          1        0.01       99.85
         12 |          4        0.04       99.89
         13 |          3        0.03       99.92
         16 |          1        0.01       99.93
         17 |          1        0.01       99.94
         18 |          4        0.04       99.98
         24 |          1        0.01       99.99
         25 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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