Frequencies for first 10,000 rows of rx3v1c1 variable in nhamcsed2008 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,891       68.91       68.91
        001 |        440        4.40       73.31
        020 |          2        0.02       73.33
        028 |          1        0.01       73.34
        040 |        158        1.58       74.92
        057 |      1,405       14.05       88.97
        081 |         35        0.35       89.32
        087 |        207        2.07       91.39
        097 |        101        1.01       92.40
        105 |        110        1.10       93.50
        115 |        144        1.44       94.94
        122 |        267        2.67       97.61
        133 |        104        1.04       98.65
        153 |          2        0.02       98.67
        218 |          1        0.01       98.68
        242 |         32        0.32       99.00
        254 |         42        0.42       99.42
        331 |          8        0.08       99.50
        358 |         42        0.42       99.92
        365 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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