Frequencies for first 10,000 rows of dosage variable in ful20166 dataset :

                        Dosage |      Freq.     Percent        Cum.
-------------------------------+-----------------------------------
ADH. PATCH                     |          6        0.06        0.06
CAP ER 24H                     |         62        0.62        0.68
CAP ER DEG                     |         12        0.12        0.80
CAP SA 24H                     |         20        0.20        1.00
CAPSULE                        |      1,090       10.90       11.90
CAPSULE DR                     |        109        1.09       12.99
CAPSULE ER                     |         40        0.40       13.39
CAPSULE, DELAYED REL PELLETS   |         74        0.74       14.13
CAPSULE, EXTENDED RELEASE      |        143        1.43       15.56
CONCENTRATE                    |         13        0.13       15.69
CPMP 24HR                      |          6        0.06       15.75
CPMP 30-70                     |         12        0.12       15.87
CPMP 50-50                     |         31        0.31       16.18
CREAM                          |         22        0.22       16.40
CREAM/APPL                     |          1        0.01       16.41
DROPS                          |          7        0.07       16.48
DROPS SUSP                     |          2        0.02       16.50
ELIXIR                         |          2        0.02       16.52
ENEMA                          |          3        0.03       16.55
FILM                           |         32        0.32       16.87
FILM, EXTENDED RELEASE         |         23        0.23       17.10
FOR SOLUTION                   |          3        0.03       17.13
GEL                            |          9        0.09       17.22
GEL (GRAM)                     |          3        0.03       17.25
GEL ER (G)                     |          3        0.03       17.28
GEL PACKET                     |         12        0.12       17.40
GEL W/PUMP                     |          6        0.06       17.46
GRAN PACK                      |          5        0.05       17.51
JELLY                          |         10        0.10       17.61
LIQUID                         |          2        0.02       17.63
LOTION                         |          7        0.07       17.70
OIL                            |          2        0.02       17.72
OINT. (G)                      |          6        0.06       17.78
OINTMENT                       |         23        0.23       18.01
ORAL SUSP                      |         10        0.10       18.11
POWDER                         |         10        0.10       18.21
SHAMPOO                        |         13        0.13       18.34
SOLN RECON                     |         10        0.10       18.44
SOLUTION                       |         85        0.85       19.29
SOLUTION/DROPS                 |         36        0.36       19.65
SPRAY                          |          2        0.02       19.67
SPRAY, METERED                 |          4        0.04       19.71
SPRAY/PUMP                     |          9        0.09       19.80
SUPPOSITORY                    |         15        0.15       19.95
SUSPENSION                     |         21        0.21       20.16
SYRUP                          |         16        0.16       20.32
TAB CHEW                       |         62        0.62       20.94
TAB DS PK                      |          4        0.04       20.98
TAB ER 12H                     |          8        0.08       21.06
TAB ER 24                      |         63        0.63       21.69
TAB ER 24H                     |        126        1.26       22.95
TAB ER PRT                     |          5        0.05       23.00
TAB RAPDIS                     |         39        0.39       23.39
TAB SUBL                       |          4        0.04       23.43
TABLET                         |      6,955       69.55       92.98
TABLET DR                      |         44        0.44       93.42
TABLET ER                      |         49        0.49       93.91
TABLET, CHEWABLE               |         17        0.17       94.08
TABLET, DELAYED RELEASE        |         84        0.84       94.92
TABLET, EXTENDED RELEASE       |        380        3.80       98.72
TABLET, ORALLY DISINTEGRATING  |         95        0.95       99.67
TBDSPK 3MO                     |         15        0.15       99.82
TROCHE/LOZENGE                 |         18        0.18      100.00
-------------------------------+-----------------------------------
                         Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018