Frequencies for first 10,000 rows of rx7v2c2 variable in nhamcsopd2008 dataset :

   for rx7, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,854       98.54       98.54
        004 |          1        0.01       98.55
        005 |          1        0.01       98.56
        012 |          2        0.02       98.58
        015 |          3        0.03       98.61
        046 |         19        0.19       98.80
        053 |          5        0.05       98.85
        064 |          9        0.09       98.94
        065 |          5        0.05       98.99
        083 |         45        0.45       99.44
        098 |          2        0.02       99.46
        100 |          1        0.01       99.47
        101 |          1        0.01       99.48
        117 |         10        0.10       99.58
        123 |          4        0.04       99.62
        124 |          1        0.01       99.63
        125 |          2        0.02       99.65
        127 |          2        0.02       99.67
        129 |          4        0.04       99.71
        136 |          1        0.01       99.72
        192 |          3        0.03       99.75
        220 |          1        0.01       99.76
        289 |          6        0.06       99.82
        303 |          3        0.03       99.85
        320 |          7        0.07       99.92
        323 |          1        0.01       99.93
        340 |          6        0.06       99.99
        363 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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