Frequencies for first 10,000 rows of rx21v1c1 variable in nhamcsed2014 dataset :

  For RX21, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,981       99.81       99.81
        001 |          1        0.01       99.82
        040 |          1        0.01       99.83
        057 |          4        0.04       99.87
        081 |          2        0.02       99.89
        087 |          1        0.01       99.90
        097 |          2        0.02       99.92
        105 |          2        0.02       99.94
        115 |          3        0.03       99.97
        122 |          2        0.02       99.99
        242 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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