Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsopd2009 dataset :

   for rx4, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,649       96.49       96.49
        005 |         12        0.12       96.61
        012 |          2        0.02       96.63
        015 |         14        0.14       96.77
        019 |          6        0.06       96.83
        046 |         39        0.39       97.22
        053 |          9        0.09       97.31
        064 |         24        0.24       97.55
        065 |         34        0.34       97.89
        066 |          3        0.03       97.92
        083 |         82        0.82       98.74
        098 |          8        0.08       98.82
        101 |         13        0.13       98.95
        106 |          2        0.02       98.97
        117 |          8        0.08       99.05
        120 |          1        0.01       99.06
        123 |         15        0.15       99.21
        124 |          5        0.05       99.26
        125 |          2        0.02       99.28
        127 |          1        0.01       99.29
        129 |          3        0.03       99.32
        130 |          2        0.02       99.34
        132 |          1        0.01       99.35
        136 |          3        0.03       99.38
        146 |          2        0.02       99.40
        151 |         15        0.15       99.55
        192 |          3        0.03       99.58
        220 |          1        0.01       99.59
        249 |          2        0.02       99.61
        251 |          5        0.05       99.66
        253 |          1        0.01       99.67
        257 |          2        0.02       99.69
        289 |          6        0.06       99.75
        303 |          3        0.03       99.78
        320 |          9        0.09       99.87
        332 |          1        0.01       99.88
        340 |          7        0.07       99.95
        378 |          1        0.01       99.96
        417 |          3        0.03       99.99
        423 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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