Frequencies for first 10,000 rows of day variable in accident dataset :

   Accident |
   Date-Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        337        3.37        3.37
          2 |        350        3.50        6.87
          3 |        328        3.28       10.15
          4 |        314        3.14       13.29
          5 |        322        3.22       16.51
          6 |        287        2.87       19.38
          7 |        340        3.40       22.78
          8 |        312        3.12       25.90
          9 |        369        3.69       29.59
         10 |        329        3.29       32.88
         11 |        360        3.60       36.48
         12 |        298        2.98       39.46
         13 |        344        3.44       42.90
         14 |        355        3.55       46.45
         15 |        344        3.44       49.89
         16 |        317        3.17       53.06
         17 |        357        3.57       56.63
         18 |        343        3.43       60.06
         19 |        339        3.39       63.45
         20 |        325        3.25       66.70
         21 |        324        3.24       69.94
         22 |        356        3.56       73.50
         23 |        334        3.34       76.84
         24 |        326        3.26       80.10
         25 |        290        2.90       83.00
         26 |        300        3.00       86.00
         27 |        313        3.13       89.13
         28 |        329        3.29       92.42
         29 |        290        2.90       95.32
         30 |        267        2.67       97.99
         31 |        201        2.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016