Frequencies for first 10,000 rows of rx1v1c2 variable in nhamcsed2014 dataset :

   For RX1, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,328       83.28       83.28
        001 |        117        1.17       84.45
        040 |        178        1.78       86.23
        057 |        204        2.04       88.27
        081 |        125        1.25       89.52
        097 |          8        0.08       89.60
        105 |         11        0.11       89.71
        113 |          1        0.01       89.72
        115 |         19        0.19       89.91
        122 |        956        9.56       99.47
        133 |         32        0.32       99.79
        218 |          5        0.05       99.84
        242 |         11        0.11       99.95
        254 |          1        0.01       99.96
        331 |          2        0.02       99.98
        358 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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