Frequencies for first 10,000 rows of rx8v1c1 variable in nhamcsopd2010 dataset :

   for rx8, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,971       89.71       89.71
        001 |         30        0.30       90.01
        020 |         14        0.14       90.15
        028 |          1        0.01       90.16
        040 |        163        1.63       91.79
        057 |        234        2.34       94.13
        081 |         24        0.24       94.37
        087 |         62        0.62       94.99
        097 |         45        0.45       95.44
        105 |         26        0.26       95.70
        113 |          7        0.07       95.77
        115 |        104        1.04       96.81
        122 |         55        0.55       97.36
        133 |         46        0.46       97.82
        218 |         32        0.32       98.14
        242 |         46        0.46       98.60
        254 |         11        0.11       98.71
        331 |          1        0.01       98.72
        358 |        123        1.23       99.95
        365 |          4        0.04       99.99
        899 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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