Frequencies for first 10,000 rows of weekday variable in natl1998 dataset :

Day of Week |
 Child Born |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,021       10.21       10.21
          2 |      1,550       15.50       25.71
          3 |      1,629       16.29       42.00
          4 |      1,533       15.33       57.33
          5 |      1,636       16.36       73.69
          6 |      1,549       15.49       89.18
          7 |      1,082       10.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015