Frequencies for first 10,000 rows of rx7v2c2 variable in nhamcsopd2010 dataset :

   for rx7, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,803       98.03       98.03
        005 |          1        0.01       98.04
        007 |          1        0.01       98.05
        012 |          6        0.06       98.11
        015 |          3        0.03       98.14
        019 |          5        0.05       98.19
        046 |         32        0.32       98.51
        053 |         10        0.10       98.61
        064 |         11        0.11       98.72
        065 |         15        0.15       98.87
        083 |         48        0.48       99.35
        098 |          4        0.04       99.39
        101 |          3        0.03       99.42
        106 |          1        0.01       99.43
        117 |          3        0.03       99.46
        120 |          1        0.01       99.47
        123 |          6        0.06       99.53
        124 |          4        0.04       99.57
        127 |          1        0.01       99.58
        129 |          8        0.08       99.66
        136 |          2        0.02       99.68
        219 |          4        0.04       99.72
        220 |          6        0.06       99.78
        253 |          1        0.01       99.79
        266 |          2        0.02       99.81
        289 |          3        0.03       99.84
        320 |          6        0.06       99.90
        340 |          4        0.04       99.94
        363 |          2        0.02       99.96
        401 |          2        0.02       99.98
        423 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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