Frequencies for first 10,000 rows of rx7v1c1 variable in nhamcsed2011 dataset :

   For RX7, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,664       96.64       96.64
        001 |         24        0.24       96.88
        028 |          1        0.01       96.89
        040 |         39        0.39       97.28
        057 |        130        1.30       98.58
        081 |          8        0.08       98.66
        087 |         34        0.34       99.00
        097 |          8        0.08       99.08
        105 |          7        0.07       99.15
        113 |          5        0.05       99.20
        115 |         21        0.21       99.41
        122 |         26        0.26       99.67
        133 |          1        0.01       99.68
        218 |          1        0.01       99.69
        242 |         15        0.15       99.84
        331 |          2        0.02       99.86
        358 |         11        0.11       99.97
        365 |          2        0.02       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016