Frequencies for first 10,000 rows of rx2v1c1 variable in nhamcsed2013 dataset :

   For RX2, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,671       46.71       46.71
        001 |        770        7.70       54.41
        020 |          2        0.02       54.43
        040 |        186        1.86       56.29
        057 |      2,490       24.90       81.19
        081 |         33        0.33       81.52
        087 |        296        2.96       84.48
        097 |        171        1.71       86.19
        105 |        131        1.31       87.50
        113 |         22        0.22       87.72
        115 |        442        4.42       92.14
        122 |        322        3.22       95.36
        133 |        215        2.15       97.51
        153 |          1        0.01       97.52
        218 |          5        0.05       97.57
        242 |         97        0.97       98.54
        254 |         54        0.54       99.08
        331 |         26        0.26       99.34
        358 |         51        0.51       99.85
        365 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016