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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        524        5.24        5.24
          1 |        586        5.86       11.10
          2 |        447        4.47       15.57
          3 |        242        2.42       17.99
          4 |        164        1.64       19.63
          5 |        226        2.26       21.89
          6 |        151        1.51       23.40
          7 |        239        2.39       25.79
          8 |        274        2.74       28.53
          9 |        232        2.32       30.85
         10 |        220        2.20       33.05
         11 |        308        3.08       36.13
         12 |        357        3.57       39.70
         13 |        352        3.52       43.22
         14 |        442        4.42       47.64
         15 |        458        4.58       52.22
         16 |        609        6.09       58.31
         17 |        555        5.55       63.86
         18 |        728        7.28       71.14
         19 |        520        5.20       76.34
         20 |        554        5.54       81.88
         21 |        532        5.32       87.20
         22 |        634        6.34       93.54
         23 |        638        6.38       99.92
         24 |          6        0.06       99.98
         99 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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