Frequencies for first 10,000 rows of rx2v1c2 variable in nhamcsed2015 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,858       88.58       88.58
        001 |         77        0.77       89.35
        040 |        158        1.58       90.93
        057 |        228        2.28       93.21
        081 |         77        0.77       93.98
        097 |          5        0.05       94.03
        105 |         11        0.11       94.14
        113 |          1        0.01       94.15
        115 |         14        0.14       94.29
        122 |        519        5.19       99.48
        133 |         31        0.31       99.79
        218 |          3        0.03       99.82
        242 |         14        0.14       99.96
        254 |          3        0.03       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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