Frequencies for first 10,000 rows of rx9v3c2 variable in nhamcsed2015 dataset :

   For RX9, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,971       99.71       99.71
        185 |          1        0.01       99.72
        196 |          3        0.03       99.75
        198 |          9        0.09       99.84
        203 |          1        0.01       99.85
        210 |          1        0.01       99.86
        211 |          5        0.05       99.91
        301 |          1        0.01       99.92
        385 |          3        0.03       99.95
        388 |          2        0.02       99.97
        389 |          2        0.02       99.99
        407 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017