Frequencies for first 10,000 rows of rx8v1c1 variable in namcs2008 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,218       92.18       92.18
        001 |         15        0.15       92.33
        020 |          3        0.03       92.36
        028 |          3        0.03       92.39
        040 |        129        1.29       93.68
        057 |        152        1.52       95.20
        081 |         23        0.23       95.43
        087 |         63        0.63       96.06
        097 |         38        0.38       96.44
        105 |         18        0.18       96.62
        115 |         78        0.78       97.40
        122 |         54        0.54       97.94
        133 |         39        0.39       98.33
        218 |         17        0.17       98.50
        242 |         42        0.42       98.92
        254 |         10        0.10       99.02
        358 |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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