Frequencies for first 10,000 rows of rx7v1c1 variable in namcs2008 dataset :

   for rx7, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,903       89.03       89.03
        001 |         33        0.33       89.36
        020 |          9        0.09       89.45
        028 |          1        0.01       89.46
        040 |        180        1.80       91.26
        057 |        219        2.19       93.45
        081 |         26        0.26       93.71
        087 |         68        0.68       94.39
        097 |         62        0.62       95.01
        105 |         41        0.41       95.42
        115 |         96        0.96       96.38
        122 |        100        1.00       97.38
        133 |         50        0.50       97.88
        218 |         27        0.27       98.15
        242 |         54        0.54       98.69
        254 |         12        0.12       98.81
        358 |        119        1.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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