Frequencies for first 10,000 rows of rx8v1c1 variable in namcs2007 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,342       93.42       93.42
        001 |         29        0.29       93.71
        020 |          2        0.02       93.73
        040 |        112        1.12       94.85
        057 |        122        1.22       96.07
        081 |         14        0.14       96.21
        087 |         50        0.50       96.71
        097 |         26        0.26       96.97
        105 |         17        0.17       97.14
        115 |         54        0.54       97.68
        122 |         48        0.48       98.16
        133 |         21        0.21       98.37
        218 |         22        0.22       98.59
        242 |         46        0.46       99.05
        254 |          5        0.05       99.10
        358 |         89        0.89       99.99
        365 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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