Frequencies for first 10,000 rows of rx8v1c1 variable in nhamcsed2007 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,854       98.54       98.54
        001 |         18        0.18       98.72
        040 |         22        0.22       98.94
        057 |         30        0.30       99.24
        081 |          4        0.04       99.28
        087 |         19        0.19       99.47
        097 |          5        0.05       99.52
        105 |          7        0.07       99.59
        115 |          8        0.08       99.67
        122 |          7        0.07       99.74
        133 |          2        0.02       99.76
        242 |         12        0.12       99.88
        358 |          8        0.08       99.96
        365 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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