Frequencies for first 10,000 rows of numdis variable in nhamcsed2005 dataset :

 number of meds prescribed at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
none listed, listed drug given at ed on |      5,237       52.37       52.37
                                      1 |      2,582       25.82       78.19
                                      2 |      1,487       14.87       93.06
                                      3 |        430        4.30       97.36
                                      4 |        135        1.35       98.71
                                      5 |         60        0.60       99.31
                                      6 |         22        0.22       99.53
                                      7 |         21        0.21       99.74
                                      8 |         26        0.26      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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