Frequencies for first 10,000 rows of rx7v1c2 variable in nhamcsed2015 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #2 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,899       98.99       98.99
        001 |          8        0.08       99.07
        040 |         17        0.17       99.24
        057 |         25        0.25       99.49
        081 |          6        0.06       99.55
        087 |          1        0.01       99.56
        097 |          2        0.02       99.58
        105 |          2        0.02       99.60
        115 |          3        0.03       99.63
        122 |         35        0.35       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 , 20 Nov 2017