Frequencies for first 10,000 rows of rx1v2c2 variable in namcs2009 dataset :

   for rx1, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,226       92.26       92.26
        004 |          2        0.02       92.28
        005 |         58        0.58       92.86
        012 |         14        0.14       93.00
        015 |         76        0.76       93.76
        019 |         23        0.23       93.99
        046 |         87        0.87       94.86
        053 |          6        0.06       94.92
        056 |          1        0.01       94.93
        064 |         39        0.39       95.32
        065 |         55        0.55       95.87
        066 |          1        0.01       95.88
        083 |        126        1.26       97.14
        098 |         20        0.20       97.34
        101 |         29        0.29       97.63
        106 |          1        0.01       97.64
        110 |          2        0.02       97.66
        117 |          7        0.07       97.73
        120 |          8        0.08       97.81
        123 |         36        0.36       98.17
        124 |         19        0.19       98.36
        125 |          7        0.07       98.43
        127 |          1        0.01       98.44
        129 |          8        0.08       98.52
        130 |          8        0.08       98.60
        132 |          8        0.08       98.68
        136 |          8        0.08       98.76
        146 |          4        0.04       98.80
        151 |          9        0.09       98.89
        192 |          6        0.06       98.95
        249 |          3        0.03       98.98
        251 |          3        0.03       99.01
        253 |          8        0.08       99.09
        257 |          4        0.04       99.13
        277 |          2        0.02       99.15
        289 |         22        0.22       99.37
        303 |         12        0.12       99.49
        320 |         38        0.38       99.87
        332 |          1        0.01       99.88
        340 |          4        0.04       99.92
        363 |          2        0.02       99.94
        417 |          5        0.05       99.99
        420 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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