Frequencies for first 10,000 rows of rx8v2c2 variable in namcs2007 dataset :

   for rx8, |
 level 2 of |
multum drug |
category #2 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,924       99.24       99.24
        015 |          3        0.03       99.27
        019 |          6        0.06       99.33
        053 |          7        0.07       99.40
        064 |          3        0.03       99.43
        065 |          2        0.02       99.45
        066 |          1        0.01       99.46
        083 |         26        0.26       99.72
        098 |          2        0.02       99.74
        109 |          3        0.03       99.77
        117 |          7        0.07       99.84
        120 |          1        0.01       99.85
        151 |          2        0.02       99.87
        192 |          2        0.02       99.89
        220 |          2        0.02       99.91
        249 |          1        0.01       99.92
        251 |          1        0.01       99.93
        289 |          2        0.02       99.95
        303 |          3        0.03       99.98
        320 |          1        0.01       99.99
        340 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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