Frequencies for first 10,000 rows of numdis variable in nhamcsed2013 dataset :

    Number of medications prescribed at |
                              discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
None listed/listed drug given at ED onl |      5,067       50.67       50.67
                                      1 |      2,378       23.78       74.45
                                      2 |      1,609       16.09       90.54
                                      3 |        600        6.00       96.54
                                      4 |        185        1.85       98.39
                                      5 |         65        0.65       99.04
                                      6 |         39        0.39       99.43
                                      7 |         17        0.17       99.60
                                      8 |         10        0.10       99.70
                                      9 |         13        0.13       99.83
                                     10 |          7        0.07       99.90
                                     11 |          5        0.05       99.95
                                     12 |          5        0.05      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016