Frequencies for first 10,000 rows of rx2v2c2 variable in nhamcsopd2008 dataset :

   for rx2, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,367       93.67       93.67
        005 |         15        0.15       93.82
        012 |          7        0.07       93.89
        015 |         27        0.27       94.16
        019 |         10        0.10       94.26
        046 |        106        1.06       95.32
        053 |          9        0.09       95.41
        064 |         43        0.43       95.84
        065 |         66        0.66       96.50
        066 |          1        0.01       96.51
        083 |         93        0.93       97.44
        098 |         46        0.46       97.90
        100 |          5        0.05       97.95
        101 |         15        0.15       98.10
        113 |          1        0.01       98.11
        117 |         11        0.11       98.22
        120 |          2        0.02       98.24
        123 |         47        0.47       98.71
        124 |          7        0.07       98.78
        125 |          6        0.06       98.84
        127 |         34        0.34       99.18
        129 |          9        0.09       99.27
        136 |          6        0.06       99.33
        146 |          2        0.02       99.35
        151 |         10        0.10       99.45
        192 |          9        0.09       99.54
        249 |          1        0.01       99.55
        251 |          5        0.05       99.60
        253 |          2        0.02       99.62
        277 |          1        0.01       99.63
        289 |          8        0.08       99.71
        303 |          2        0.02       99.73
        320 |         14        0.14       99.87
        323 |          1        0.01       99.88
        340 |          8        0.08       99.96
        363 |          2        0.02       99.98
        378 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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