Frequencies for first 10,000 rows of rx7v1c2 variable in nhamcsed2014 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,908       99.08       99.08
        001 |          7        0.07       99.15
        040 |         11        0.11       99.26
        057 |         21        0.21       99.47
        081 |          8        0.08       99.55
        097 |          1        0.01       99.56
        115 |          6        0.06       99.62
        122 |         32        0.32       99.94
        133 |          2        0.02       99.96
        242 |          3        0.03       99.99
        358 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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