Frequencies for first 10,000 rows of shift_4_tue_ptnt_cnt variable in pos2011 dataset :

  Number of |
   Patients |
Tuesday 4th |
      Shift |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019