Frequencies for first 10,000 rows of vdayr variable in nhamcsed1997 dataset :

day of week |
 of visit - |
    recoded |      Freq.     Percent        Cum.
------------+-----------------------------------
     Sunday |      1,438       14.38       14.38
     Monday |      1,502       15.02       29.40
    Tuesday |      1,405       14.05       43.45
  Wednesday |      1,398       13.98       57.43
   Thursday |      1,375       13.75       71.18
     Friday |      1,404       14.04       85.22
   Saturday |      1,478       14.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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