Frequencies for first 10,000 rows of rx18v1c1 variable in nhamcsed2014 dataset :

  For RX18, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,970       99.70       99.70
        001 |          1        0.01       99.71
        040 |          3        0.03       99.74
        057 |         10        0.10       99.84
        081 |          2        0.02       99.86
        087 |          2        0.02       99.88
        105 |          2        0.02       99.90
        115 |          5        0.05       99.95
        122 |          3        0.03       99.98
        242 |          1        0.01       99.99
        331 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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