Frequencies for first 10,000 rows of rx8cat2 variable in nhamcsed2012 dataset :

   For RX8, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,962       99.62       99.62
        012 |          4        0.04       99.66
        053 |          2        0.02       99.68
        117 |          1        0.01       99.69
        123 |          4        0.04       99.73
        129 |         11        0.11       99.84
        180 |          1        0.01       99.85
        196 |          3        0.03       99.88
        198 |          3        0.03       99.91
        210 |          1        0.01       99.92
        211 |          3        0.03       99.95
        289 |          1        0.01       99.96
        320 |          1        0.01       99.97
        385 |          2        0.02       99.99
        389 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016