Frequencies for first 10,000 rows of dosage variable in ful20182 dataset :

                        Dosage |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
ADH. PATCH                     |          6        0.06        0.06
CAP ER 24H                     |         82        0.82        0.88
CAP ER DEG                     |          2        0.02        0.90
CAP SA 24H                     |         13        0.13        1.03
CAPSULE                        |      1,048       10.48       11.51
CAPSULE DR                     |        114        1.14       12.65
CAPSULE ER                     |         46        0.46       13.11
CAPSULE, DELAYED REL PELLETS   |         59        0.59       13.70
CAPSULE, EXTENDED RELEASE      |        137        1.37       15.07
CONCENTRATE                    |         10        0.10       15.17
CPMP 24HR                      |          9        0.09       15.26
CPMP 30-70                     |         12        0.12       15.38
CPMP 50-50                     |         41        0.41       15.79
CREAM                          |         16        0.16       15.95
CREAM (G)                      |          6        0.06       16.01
CREAM/APPL                     |          1        0.01       16.02
DROPS                          |         10        0.10       16.12
DROPS SUSP                     |          2        0.02       16.14
ENEMA                          |          2        0.02       16.16
FILM                           |         36        0.36       16.52
FILM, EXTENDED RELEASE         |         22        0.22       16.74
FOR SOLUTION                   |          3        0.03       16.77
GEL                            |          6        0.06       16.83
GEL (GRAM)                     |          6        0.06       16.89
GEL ER (G)                     |          4        0.04       16.93
GEL PACKET                     |         12        0.12       17.05
GEL W/PUMP                     |          6        0.06       17.11
GRAN PACK                      |          5        0.05       17.16
LIQUID                         |          3        0.03       17.19
LOTION                         |         12        0.12       17.31
OIL                            |          4        0.04       17.35
OINTMENT                       |          9        0.09       17.44
ORAL SUSP                      |          5        0.05       17.49
PACKET                         |          5        0.05       17.54
PASTE                          |          1        0.01       17.55
PATCH TD24                     |         17        0.17       17.72
PATCH TD72                     |         12        0.12       17.84
PATCH TDWK                     |         12        0.12       17.96
POWDER                         |         20        0.20       18.16
SHAMPOO                        |         11        0.11       18.27
SOLN RECON                     |          7        0.07       18.34
SOLUTION                       |         45        0.45       18.79
SOLUTION/DROPS                 |         25        0.25       19.04
SPRAY                          |          2        0.02       19.06
SPRAY, METERED                 |          2        0.02       19.08
SPRAY/PUMP                     |          5        0.05       19.13
SUPPOSITORY                    |         13        0.13       19.26
SUSPENSION                     |         32        0.32       19.58
SWAB                           |          4        0.04       19.62
SYRUP                          |         11        0.11       19.73
TAB CHEW                       |         63        0.63       20.36
TAB DS PK                      |          3        0.03       20.39
TAB ER 12H                     |          6        0.06       20.45
TAB ER 24                      |         87        0.87       21.32
TAB ER 24H                     |        188        1.88       23.20
TAB ER PRT                     |          3        0.03       23.23
TAB RAPDIS                     |         39        0.39       23.62
TAB SUBL                       |         18        0.18       23.80
TABERGR24H                     |          2        0.02       23.82
TABLET                         |      6,940       69.40       93.22
TABLET DR                      |         44        0.44       93.66
TABLET ER                      |         52        0.52       94.18
TABLET, CHEWABLE               |         12        0.12       94.30
TABLET, DELAYED RELEASE        |         64        0.64       94.94
TABLET, EXTENDED RELEASE       |        403        4.03       98.97
TABLET, ORALLY DISINTEGRATING  |         90        0.90       99.87
TBDSPK 3MO                     |         10        0.10       99.97
VIAL                           |          3        0.03      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 1 Mar 2018