Frequencies for first 10,000 rows of rx4v2c2 variable in nhamcsopd2010 dataset :

   for rx4, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,639       96.39       96.39
        005 |          7        0.07       96.46
        007 |          1        0.01       96.47
        012 |          6        0.06       96.53
        015 |         13        0.13       96.66
        019 |          5        0.05       96.71
        046 |         71        0.71       97.42
        053 |          4        0.04       97.46
        064 |         20        0.20       97.66
        065 |         34        0.34       98.00
        083 |         83        0.83       98.83
        098 |          5        0.05       98.88
        101 |          8        0.08       98.96
        104 |          3        0.03       98.99
        106 |          1        0.01       99.00
        117 |          6        0.06       99.06
        120 |          1        0.01       99.07
        123 |         17        0.17       99.24
        124 |          9        0.09       99.33
        125 |          4        0.04       99.37
        127 |          1        0.01       99.38
        129 |          5        0.05       99.43
        130 |          1        0.01       99.44
        136 |          3        0.03       99.47
        146 |          2        0.02       99.49
        151 |          1        0.01       99.50
        192 |          3        0.03       99.53
        219 |          3        0.03       99.56
        220 |          3        0.03       99.59
        251 |          2        0.02       99.61
        289 |          4        0.04       99.65
        303 |          4        0.04       99.69
        320 |         14        0.14       99.83
        340 |          6        0.06       99.89
        363 |          4        0.04       99.93
        378 |          1        0.01       99.94
        417 |          2        0.02       99.96
        423 |          3        0.03       99.99
        427 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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