Frequencies for first 10,000 rows of rx1v2c2 variable in nhamcsed2009 dataset :

   for rx1, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,617       86.17       86.17
        004 |          1        0.01       86.18
        005 |         32        0.32       86.50
        012 |         25        0.25       86.75
        015 |         97        0.97       87.72
        017 |          1        0.01       87.73
        046 |        130        1.30       89.03
        053 |         53        0.53       89.56
        054 |          3        0.03       89.59
        064 |         35        0.35       89.94
        065 |        272        2.72       92.66
        067 |          1        0.01       92.67
        083 |        165        1.65       94.32
        098 |          8        0.08       94.40
        101 |          4        0.04       94.44
        106 |         13        0.13       94.57
        117 |          9        0.09       94.66
        120 |          3        0.03       94.69
        123 |        145        1.45       96.14
        124 |         20        0.20       96.34
        125 |         12        0.12       96.46
        127 |          6        0.06       96.52
        129 |        287        2.87       99.39
        130 |          9        0.09       99.48
        132 |          3        0.03       99.51
        136 |         10        0.10       99.61
        146 |          2        0.02       99.63
        151 |         10        0.10       99.73
        192 |          1        0.01       99.74
        220 |          1        0.01       99.75
        251 |         19        0.19       99.94
        320 |          1        0.01       99.95
        363 |          3        0.03       99.98
        377 |          1        0.01       99.99
        427 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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