Frequencies for first 10,000 rows of rx7cat2 variable in nhamcsed2012 dataset :

   For RX7, |
MULTUM drug |
category #2 |
     - most |
   detailed |
 level (can |
  be either |
 Level 1,2  |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,935       99.35       99.35
        012 |          4        0.04       99.39
        015 |          1        0.01       99.40
        053 |          3        0.03       99.43
        095 |          1        0.01       99.44
        106 |          2        0.02       99.46
        117 |          3        0.03       99.49
        123 |          2        0.02       99.51
        129 |         14        0.14       99.65
        196 |          8        0.08       99.73
        198 |         10        0.10       99.83
        203 |          1        0.01       99.84
        210 |          1        0.01       99.85
        211 |          6        0.06       99.91
        239 |          2        0.02       99.93
        301 |          1        0.01       99.94
        320 |          1        0.01       99.95
        340 |          1        0.01       99.96
        385 |          2        0.02       99.98
        387 |          1        0.01       99.99
        433 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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