Frequencies for first 10,000 rows of rx2v2c2 variable in nhamcsed2007 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,982       89.82       89.82
        005 |         23        0.23       90.05
        012 |         16        0.16       90.21
        015 |         59        0.59       90.80
        019 |          1        0.01       90.81
        053 |         68        0.68       91.49
        054 |          2        0.02       91.51
        064 |         41        0.41       91.92
        065 |        374        3.74       95.66
        066 |          1        0.01       95.67
        083 |         74        0.74       96.41
        098 |          5        0.05       96.46
        101 |          2        0.02       96.48
        106 |          3        0.03       96.51
        109 |         46        0.46       96.97
        117 |          6        0.06       97.03
        120 |          1        0.01       97.04
        123 |        132        1.32       98.36
        124 |          7        0.07       98.43
        125 |         13        0.13       98.56
        129 |         88        0.88       99.44
        132 |          1        0.01       99.45
        136 |          7        0.07       99.52
        146 |          1        0.01       99.53
        151 |         15        0.15       99.68
        249 |          1        0.01       99.69
        251 |         26        0.26       99.95
        289 |          1        0.01       99.96
        320 |          2        0.02       99.98
        332 |          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