Frequencies for first 10,000 rows of vdayr variable in nhamcsed2001 dataset :

day of week |
 of visit - |
    recoded |      Freq.     Percent        Cum.
------------+-----------------------------------
     Sunday |      1,440       14.40       14.40
     Monday |      1,552       15.52       29.92
    Tuesday |      1,438       14.38       44.30
  Wednesday |      1,398       13.98       58.28
   Thursday |      1,390       13.90       72.18
     Friday |      1,341       13.41       85.59
   Saturday |      1,441       14.41      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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