Frequencies for first 10,000 rows of rx1v1c2 variable in nhamcsed2013 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,341       83.41       83.41
        001 |        147        1.47       84.88
        040 |        167        1.67       86.55
        057 |        242        2.42       88.97
        081 |        108        1.08       90.05
        097 |          4        0.04       90.09
        105 |          6        0.06       90.15
        113 |          2        0.02       90.17
        115 |         14        0.14       90.31
        122 |        926        9.26       99.57
        133 |         30        0.30       99.87
        218 |          3        0.03       99.90
        242 |          8        0.08       99.98
        358 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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