Frequencies for first 10,000 rows of numdis variable in nhamcsed2011 dataset :

         Number of medications given at |
                              discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
None listed/listed drug given at ED onl |      5,077       50.77       50.77
                                      1 |      2,607       26.07       76.84
                                      2 |      1,514       15.14       91.98
                                      3 |        537        5.37       97.35
                                      4 |        136        1.36       98.71
                                      5 |         60        0.60       99.31
                                      6 |         20        0.20       99.51
                                      7 |         21        0.21       99.72
                                      8 |         28        0.28      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016