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

   Accident |
   Date-Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        411        4.11        4.11
          2 |        334        3.34        7.45
          3 |        345        3.45       10.90
          4 |        357        3.57       14.47
          5 |        340        3.40       17.87
          6 |        345        3.45       21.32
          7 |        330        3.30       24.62
          8 |        340        3.40       28.02
          9 |        307        3.07       31.09
         10 |        296        2.96       34.05
         11 |        310        3.10       37.15
         12 |        314        3.14       40.29
         13 |        314        3.14       43.43
         14 |        343        3.43       46.86
         15 |        359        3.59       50.45
         16 |        318        3.18       53.63
         17 |        299        2.99       56.62
         18 |        311        3.11       59.73
         19 |        354        3.54       63.27
         20 |        297        2.97       66.24
         21 |        314        3.14       69.38
         22 |        314        3.14       72.52
         23 |        328        3.28       75.80
         24 |        331        3.31       79.11
         25 |        352        3.52       82.63
         26 |        343        3.43       86.06
         27 |        319        3.19       89.25
         28 |        307        3.07       92.32
         29 |        265        2.65       94.97
         30 |        293        2.93       97.90
         31 |        209        2.09       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016