Frequencies for first 10,000 rows of rx4v1c1 variable in nhamcsed2010 dataset :

   For RX4, |
 level 1 of |
MULTUM drug |
category #1 |
     (broad |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,075       80.75       80.75
        001 |        269        2.69       83.44
        020 |          2        0.02       83.46
        040 |        122        1.22       84.68
        057 |        822        8.22       92.90
        081 |         27        0.27       93.17
        087 |        121        1.21       94.38
        097 |         93        0.93       95.31
        105 |         45        0.45       95.76
        113 |          9        0.09       95.85
        115 |        133        1.33       97.18
        122 |        142        1.42       98.60
        133 |         47        0.47       99.07
        153 |          1        0.01       99.08
        242 |         21        0.21       99.29
        254 |         18        0.18       99.47
        331 |          9        0.09       99.56
        358 |         36        0.36       99.92
        365 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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