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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        545        5.45        5.45
          1 |        608        6.08       11.53
          2 |        464        4.64       16.17
          3 |        226        2.26       18.43
          4 |        170        1.70       20.13
          5 |        177        1.77       21.90
          6 |        162        1.62       23.52
          7 |        303        3.03       26.55
          8 |        181        1.81       28.36
          9 |        184        1.84       30.20
         10 |        232        2.32       32.52
         11 |        238        2.38       34.90
         12 |        361        3.61       38.51
         13 |        278        2.78       41.29
         14 |        416        4.16       45.45
         15 |        548        5.48       50.93
         16 |        576        5.76       56.69
         17 |        619        6.19       62.88
         18 |        682        6.82       69.70
         19 |        674        6.74       76.44
         20 |        611        6.11       82.55
         21 |        605        6.05       88.60
         22 |        609        6.09       94.69
         23 |        521        5.21       99.90
         24 |          3        0.03       99.93
         99 |          7        0.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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