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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        410        4.10        4.10
          1 |        465        4.65        8.75
          2 |        421        4.21       12.96
          3 |        200        2.00       14.96
          4 |        162        1.62       16.58
          5 |        243        2.43       19.01
          6 |        251        2.51       21.52
          7 |        276        2.76       24.28
          8 |        171        1.71       25.99
          9 |        217        2.17       28.16
         10 |        248        2.48       30.64
         11 |        325        3.25       33.89
         12 |        278        2.78       36.67
         13 |        392        3.92       40.59
         14 |        506        5.06       45.65
         15 |        623        6.23       51.88
         16 |        597        5.97       57.85
         17 |        635        6.35       64.20
         18 |        732        7.32       71.52
         19 |        640        6.40       77.92
         20 |        560        5.60       83.52
         21 |        483        4.83       88.35
         22 |        502        5.02       93.37
         23 |        630        6.30       99.67
         24 |         17        0.17       99.84
         99 |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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