Frequencies for first 10,000 rows of vdayr variable in nhamcsopd2001 dataset :

day of week |
 of visit - |
    recoded |      Freq.     Percent        Cum.
------------+-----------------------------------
     Sunday |         64        0.64        0.64
     Monday |      1,959       19.59       20.23
    Tuesday |      2,284       22.84       43.07
  Wednesday |      1,910       19.10       62.17
   Thursday |      1,927       19.27       81.44
     Friday |      1,699       16.99       98.43
   Saturday |        157        1.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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