Frequencies for first 10,000 rows of numdis variable in nhamcsed2012 dataset :

    Number of medications prescribed at |
                              discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
None listed/listed drug given at ED onl |      5,177       51.77       51.77
                                      1 |      2,416       24.16       75.93
                                      2 |      1,542       15.42       91.35
                                      3 |        551        5.51       96.86
                                      4 |        169        1.69       98.55
                                      5 |         56        0.56       99.11
                                      6 |         22        0.22       99.33
                                      7 |         24        0.24       99.57
                                      8 |         14        0.14       99.71
                                      9 |          9        0.09       99.80
                                     10 |          7        0.07       99.87
                                     11 |          4        0.04       99.91
                                     12 |          9        0.09      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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