Frequencies for first 10,000 rows of dose_freq variable in drug2016q3 dataset :

   Code for |
  Frequency |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,311       63.11       63.11
     /cycle |         16        0.16       63.27
        /hr |          8        0.08       63.35
       /min |          5        0.05       63.40
     /month |         80        0.80       64.20
        /wk |        323        3.23       67.43
        /yr |          1        0.01       67.44
         1X |          8        0.08       67.52
        BID |        524        5.24       72.76
        BIW |         24        0.24       73.00
       Q12H |         14        0.14       73.14
        Q2H |          1        0.01       73.15
        Q3H |          1        0.01       73.16
        Q3W |         39        0.39       73.55
        Q4H |          1        0.01       73.56
        Q5H |          1        0.01       73.57
        Q6H |          7        0.07       73.64
        Q8H |          5        0.05       73.69
         QD |      2,280       22.80       96.49
        QID |         27        0.27       96.76
        QOD |         37        0.37       97.13
        QOW |         98        0.98       98.11
        TID |        179        1.79       99.90
        TIW |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 6 Apr 2017