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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        472        4.72        4.72
          1 |        514        5.14        9.86
          2 |        445        4.45       14.31
          3 |        263        2.63       16.94
          4 |        203        2.03       18.97
          5 |        255        2.55       21.52
          6 |        296        2.96       24.48
          7 |        291        2.91       27.39
          8 |        263        2.63       30.02
          9 |        268        2.68       32.70
         10 |        267        2.67       35.37
         11 |        288        2.88       38.25
         12 |        336        3.36       41.61
         13 |        373        3.73       45.34
         14 |        438        4.38       49.72
         15 |        521        5.21       54.93
         16 |        493        4.93       59.86
         17 |        565        5.65       65.51
         18 |        566        5.66       71.17
         19 |        509        5.09       76.26
         20 |        579        5.79       82.05
         21 |        582        5.82       87.87
         22 |        546        5.46       93.33
         23 |        571        5.71       99.04
         24 |          5        0.05       99.09
         99 |         91        0.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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