Frequencies for first 10,000 rows of rx3v1c1 variable in nhamcsopd2010 dataset :

   for rx3, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,171       61.71       61.71
        001 |        185        1.85       63.56
        020 |         35        0.35       63.91
        028 |         10        0.10       64.01
        040 |        566        5.66       69.67
        057 |        905        9.05       78.72
        081 |         62        0.62       79.34
        087 |        246        2.46       81.80
        097 |        150        1.50       83.30
        105 |         83        0.83       84.13
        113 |         25        0.25       84.38
        115 |        262        2.62       87.00
        122 |        263        2.63       89.63
        133 |        208        2.08       91.71
        218 |         33        0.33       92.04
        242 |        222        2.22       94.26
        254 |        173        1.73       95.99
        331 |          1        0.01       96.00
        358 |        388        3.88       99.88
        365 |          7        0.07       99.95
        899 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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