Frequencies for first 10,000 rows of rx5v2c2 variable in nhamcsed2007 dataset :

   for rx5, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,871       98.71       98.71
        005 |          2        0.02       98.73
        012 |          4        0.04       98.77
        015 |          5        0.05       98.82
        053 |         10        0.10       98.92
        054 |          1        0.01       98.93
        064 |          7        0.07       99.00
        065 |         38        0.38       99.38
        083 |         10        0.10       99.48
        101 |          1        0.01       99.49
        106 |          1        0.01       99.50
        109 |         12        0.12       99.62
        117 |          2        0.02       99.64
        123 |         14        0.14       99.78
        124 |          2        0.02       99.80
        129 |         11        0.11       99.91
        136 |          1        0.01       99.92
        151 |          2        0.02       99.94
        251 |          5        0.05       99.99
        320 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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