Frequencies for first 10,000 rows of rx8v1c1 variable in namcs2006 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,377       93.77       93.77
        001 |         13        0.13       93.90
        020 |          1        0.01       93.91
        028 |          2        0.02       93.93
        040 |        120        1.20       95.13
        057 |        116        1.16       96.29
        081 |         18        0.18       96.47
        087 |         51        0.51       96.98
        097 |         26        0.26       97.24
        105 |         16        0.16       97.40
        115 |         81        0.81       98.21
        122 |         48        0.48       98.69
        133 |         21        0.21       98.90
        218 |          7        0.07       98.97
        242 |         31        0.31       99.28
        254 |          7        0.07       99.35
        358 |         65        0.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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