Frequencies for first 10,000 rows of vdayr variable in nhamcsed2002 dataset :

day of week |
 of visit - |
    recoded |      Freq.     Percent        Cum.
------------+-----------------------------------
     Sunday |      1,362       13.62       13.62
     Monday |      1,553       15.53       29.15
    Tuesday |      1,470       14.70       43.85
  Wednesday |      1,418       14.18       58.03
   Thursday |      1,409       14.09       72.12
     Friday |      1,394       13.94       86.06
   Saturday |      1,394       13.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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