Frequencies for first 10,000 rows of rx6v3c2 variable in nhamcsed2015 dataset :

   For RX6, |
 level 3 of |
MULTUM drug |
category #2 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,926       99.26       99.26
        102 |          1        0.01       99.27
        180 |          4        0.04       99.31
        196 |          6        0.06       99.37
        198 |         15        0.15       99.52
        203 |          8        0.08       99.60
        210 |          2        0.02       99.62
        211 |         14        0.14       99.76
        239 |          3        0.03       99.79
        268 |          2        0.02       99.81
        301 |          1        0.01       99.82
        385 |         15        0.15       99.97
        388 |          1        0.01       99.98
        389 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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