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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        520        5.20        5.20
          1 |        547        5.47       10.67
          2 |        519        5.19       15.86
          3 |        273        2.73       18.59
          4 |        160        1.60       20.19
          5 |        178        1.78       21.97
          6 |        216        2.16       24.13
          7 |        217        2.17       26.30
          8 |        227        2.27       28.57
          9 |        211        2.11       30.68
         10 |        267        2.67       33.35
         11 |        303        3.03       36.38
         12 |        359        3.59       39.97
         13 |        311        3.11       43.08
         14 |        434        4.34       47.42
         15 |        490        4.90       52.32
         16 |        570        5.70       58.02
         17 |        617        6.17       64.19
         18 |        634        6.34       70.53
         19 |        614        6.14       76.67
         20 |        594        5.94       82.61
         21 |        585        5.85       88.46
         22 |        543        5.43       93.89
         23 |        574        5.74       99.63
         24 |          5        0.05       99.68
         99 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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