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

day of week |
   of visit |      Freq.     Percent        Cum.
------------+-----------------------------------
     sunday |      1,453       14.53       14.53
     monday |      1,519       15.19       29.72
    tuesday |      1,428       14.28       44.00
  wednesday |      1,425       14.25       58.25
   thursday |      1,369       13.69       71.94
     friday |      1,363       13.63       85.57
   saturday |      1,443       14.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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