Frequencies for first 10,000 rows of rx6v2c2 variable in nhamcsed2009 dataset :

   for rx6, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,898       98.98       98.98
        005 |          4        0.04       99.02
        012 |          2        0.02       99.04
        015 |          3        0.03       99.07
        046 |         13        0.13       99.20
        053 |          3        0.03       99.23
        064 |          1        0.01       99.24
        065 |         25        0.25       99.49
        083 |         11        0.11       99.60
        095 |          1        0.01       99.61
        106 |          1        0.01       99.62
        117 |          2        0.02       99.64
        123 |          7        0.07       99.71
        124 |          1        0.01       99.72
        125 |          2        0.02       99.74
        129 |         16        0.16       99.90
        130 |          2        0.02       99.92
        136 |          1        0.01       99.93
        151 |          2        0.02       99.95
        251 |          1        0.01       99.96
        289 |          2        0.02       99.98
        320 |          1        0.01       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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