Frequencies for first 10,000 rows of rx8v2c2 variable in nhamcsopd2007 dataset :

   for rx8, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,914       99.14       99.14
        005 |          2        0.02       99.16
        015 |          3        0.03       99.19
        019 |          2        0.02       99.21
        053 |          6        0.06       99.27
        064 |          6        0.06       99.33
        065 |          8        0.08       99.41
        066 |          1        0.01       99.42
        083 |         23        0.23       99.65
        098 |          3        0.03       99.68
        100 |          1        0.01       99.69
        109 |          2        0.02       99.71
        117 |          4        0.04       99.75
        123 |          4        0.04       99.79
        124 |          2        0.02       99.81
        127 |          1        0.01       99.82
        129 |          1        0.01       99.83
        192 |          3        0.03       99.86
        220 |          1        0.01       99.87
        251 |          4        0.04       99.91
        289 |          1        0.01       99.92
        303 |          4        0.04       99.96
        320 |          3        0.03       99.99
        363 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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