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

   Accident |
   Date-Day |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        362        3.62        3.62
          2 |        352        3.52        7.14
          3 |        306        3.06       10.20
          4 |        312        3.12       13.32
          5 |        346        3.46       16.78
          6 |        295        2.95       19.73
          7 |        346        3.46       23.19
          8 |        316        3.16       26.35
          9 |        323        3.23       29.58
         10 |        333        3.33       32.91
         11 |        325        3.25       36.16
         12 |        318        3.18       39.34
         13 |        322        3.22       42.56
         14 |        329        3.29       45.85
         15 |        328        3.28       49.13
         16 |        374        3.74       52.87
         17 |        379        3.79       56.66
         18 |        325        3.25       59.91
         19 |        296        2.96       62.87
         20 |        311        3.11       65.98
         21 |        291        2.91       68.89
         22 |        296        2.96       71.85
         23 |        370        3.70       75.55
         24 |        345        3.45       79.00
         25 |        316        3.16       82.16
         26 |        335        3.35       85.51
         27 |        334        3.34       88.85
         28 |        328        3.28       92.13
         29 |        307        3.07       95.20
         30 |        284        2.84       98.04
         31 |        195        1.95       99.99
         99 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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