Frequencies for first 10,000 rows of rx2v1c2 variable in nhamcsed2014 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,964       89.64       89.64
        001 |         85        0.85       90.49
        040 |        117        1.17       91.66
        057 |        190        1.90       93.56
        081 |         65        0.65       94.21
        097 |          3        0.03       94.24
        105 |          8        0.08       94.32
        113 |          1        0.01       94.33
        115 |         16        0.16       94.49
        122 |        502        5.02       99.51
        133 |         35        0.35       99.86
        218 |          4        0.04       99.90
        242 |          7        0.07       99.97
        331 |          2        0.02       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017