Frequencies for first 10,000 rows of rx2v2c2 variable in nhamcsed2008 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,872       88.72       88.72
        005 |         28        0.28       89.00
        012 |         27        0.27       89.27
        015 |         56        0.56       89.83
        046 |         91        0.91       90.74
        053 |         71        0.71       91.45
        054 |          2        0.02       91.47
        064 |         45        0.45       91.92
        065 |        370        3.70       95.62
        083 |         72        0.72       96.34
        098 |          8        0.08       96.42
        101 |          5        0.05       96.47
        106 |          4        0.04       96.51
        117 |          8        0.08       96.59
        123 |        121        1.21       97.80
        124 |         17        0.17       97.97
        125 |         10        0.10       98.07
        127 |          5        0.05       98.12
        129 |        133        1.33       99.45
        132 |          4        0.04       99.49
        136 |          2        0.02       99.51
        146 |          1        0.01       99.52
        151 |         19        0.19       99.71
        251 |         22        0.22       99.93
        289 |          1        0.01       99.94
        293 |          2        0.02       99.96
        320 |          2        0.02       99.98
        323 |          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