Frequencies for first 10,000 rows of rx6v1c1 variable in namcs2006 dataset :

   for rx6, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,765       87.65       87.65
        001 |         32        0.32       87.97
        028 |          1        0.01       87.98
        040 |        271        2.71       90.69
        057 |        223        2.23       92.92
        081 |         30        0.30       93.22
        087 |         83        0.83       94.05
        097 |         61        0.61       94.66
        105 |         38        0.38       95.04
        115 |         98        0.98       96.02
        122 |         92        0.92       96.94
        133 |         60        0.60       97.54
        218 |         15        0.15       97.69
        242 |         53        0.53       98.22
        254 |         12        0.12       98.34
        331 |          1        0.01       98.35
        358 |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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