Frequencies for first 10,000 rows of rx2v1c1 variable in nhamcsed2008 dataset :

   for rx2, |
 level 1 of |
multum drug |
category #1 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,638       46.38       46.38
        001 |        753        7.53       53.91
        020 |          6        0.06       53.97
        028 |          1        0.01       53.98
        040 |        267        2.67       56.65
        057 |      2,549       25.49       82.14
        081 |         49        0.49       82.63
        087 |        260        2.60       85.23
        097 |        178        1.78       87.01
        105 |        162        1.62       88.63
        115 |        255        2.55       91.18
        122 |        529        5.29       96.47
        133 |        175        1.75       98.22
        218 |          2        0.02       98.24
        242 |         44        0.44       98.68
        254 |         70        0.70       99.38
        331 |          5        0.05       99.43
        358 |         39        0.39       99.82
        365 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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