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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        399        3.99        3.99
          1 |        464        4.64        8.63
          2 |        405        4.05       12.68
          3 |        248        2.48       15.16
          4 |        176        1.76       16.92
          5 |        217        2.17       19.09
          6 |        256        2.56       21.65
          7 |        282        2.82       24.47
          8 |        214        2.14       26.61
          9 |        260        2.60       29.21
         10 |        270        2.70       31.91
         11 |        343        3.43       35.34
         12 |        284        2.84       38.18
         13 |        460        4.60       42.78
         14 |        545        5.45       48.23
         15 |        598        5.98       54.21
         16 |        535        5.35       59.56
         17 |        610        6.10       65.66
         18 |        695        6.95       72.61
         19 |        669        6.69       79.30
         20 |        584        5.84       85.14
         21 |        493        4.93       90.07
         22 |        460        4.60       94.67
         23 |        498        4.98       99.65
         24 |          3        0.03       99.68
         99 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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