Frequencies for first 10,000 rows of dosage variable in ful20184 dataset :

                        Dosage |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
ADH. PATCH                     |          6        0.06        0.06
CAP ER 24H                     |         80        0.80        0.86
CAP ER DEG                     |          4        0.04        0.90
CAP SA 24H                     |          8        0.08        0.98
CAPSULE                        |      1,077       10.77       11.75
CAPSULE DR                     |         93        0.93       12.68
CAPSULE ER                     |         46        0.46       13.14
CAPSULE, DELAYED REL PELLETS   |         53        0.53       13.67
CAPSULE, EXTENDED RELEASE      |        131        1.31       14.98
CONCENTRATE                    |         10        0.10       15.08
CPMP 24HR                      |         10        0.10       15.18
CPMP 30-70                     |         12        0.12       15.30
CPMP 50-50                     |         41        0.41       15.71
CREAM                          |         19        0.19       15.90
CREAM/APPL                     |          1        0.01       15.91
DROPS                          |         13        0.13       16.04
DROPS SUSP                     |          2        0.02       16.06
ENEMA                          |          2        0.02       16.08
FILM                           |         35        0.35       16.43
FILM, EXTENDED RELEASE         |         22        0.22       16.65
FOR SOLUTION                   |          3        0.03       16.68
GEL                            |          6        0.06       16.74
GEL (GRAM)                     |          8        0.08       16.82
GEL ER (G)                     |          4        0.04       16.86
GEL PACKET                     |         12        0.12       16.98
GEL W/PUMP                     |          7        0.07       17.05
LIQUID                         |          3        0.03       17.08
LOTION                         |          8        0.08       17.16
OIL                            |          6        0.06       17.22
OINTMENT                       |          7        0.07       17.29
ORAL SUSP                      |          5        0.05       17.34
PASTE                          |          3        0.03       17.37
PATCH TD24                     |         17        0.17       17.54
PATCH TDWK                     |         12        0.12       17.66
POWDER                         |         16        0.16       17.82
SHAMPOO                        |         12        0.12       17.94
SOLN RECON                     |          8        0.08       18.02
SOLUTION                       |         48        0.48       18.50
SOLUTION/DROPS                 |         21        0.21       18.71
SPRAY                          |          2        0.02       18.73
SPRAY, METERED                 |          2        0.02       18.75
SPRAY/PUMP                     |          7        0.07       18.82
SUPPOSITORY                    |         13        0.13       18.95
SUSPENSION                     |         34        0.34       19.29
SYRUP                          |         14        0.14       19.43
TAB CHEW                       |         63        0.63       20.06
TAB DS PK                      |          3        0.03       20.09
TAB ER 12H                     |          7        0.07       20.16
TAB ER 24                      |         87        0.87       21.03
TAB ER 24H                     |        154        1.54       22.57
TAB ER PRT                     |          3        0.03       22.60
TAB RAPDIS                     |         34        0.34       22.94
TAB SUBL                       |         18        0.18       23.12
TABERGR24H                     |          2        0.02       23.14
TABLET                         |      7,027       70.27       93.41
TABLET DR                      |         39        0.39       93.80
TABLET ER                      |         47        0.47       94.27
TABLET, CHEWABLE               |         12        0.12       94.39
TABLET, DELAYED RELEASE        |         62        0.62       95.01
TABLET, EXTENDED RELEASE       |        399        3.99       99.00
TABLET, ORALLY DISINTEGRATING  |         85        0.85       99.85
TBDSPK 3MO                     |         12        0.12       99.97
VIAL                           |          3        0.03      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 30 Apr 2018