Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsed2007 dataset :

   for rx4, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,727       97.27       97.27
        005 |          7        0.07       97.34
        012 |          9        0.09       97.43
        015 |         16        0.16       97.59
        019 |          1        0.01       97.60
        053 |         20        0.20       97.80
        054 |          1        0.01       97.81
        064 |         13        0.13       97.94
        065 |         81        0.81       98.75
        083 |         15        0.15       98.90
        095 |          1        0.01       98.91
        098 |          3        0.03       98.94
        100 |          1        0.01       98.95
        101 |          1        0.01       98.96
        106 |          1        0.01       98.97
        109 |         12        0.12       99.09
        117 |          8        0.08       99.17
        123 |         23        0.23       99.40
        124 |          2        0.02       99.42
        125 |          3        0.03       99.45
        127 |          1        0.01       99.46
        129 |         36        0.36       99.82
        146 |          1        0.01       99.83
        151 |          5        0.05       99.88
        249 |          1        0.01       99.89
        251 |          8        0.08       99.97
        320 |          2        0.02       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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