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 |        490        4.90        8.89
          2 |        274        2.74       11.63
          3 |        184        1.84       13.47
          4 |        175        1.75       15.22
          5 |        213        2.13       17.35
          6 |        248        2.48       19.83
          7 |        291        2.91       22.74
          8 |        237        2.37       25.11
          9 |        252        2.52       27.63
         10 |        339        3.39       31.02
         11 |        332        3.32       34.34
         12 |        435        4.35       38.69
         13 |        384        3.84       42.53
         14 |        439        4.39       46.92
         15 |        582        5.82       52.74
         16 |        497        4.97       57.71
         17 |        661        6.61       64.32
         18 |        680        6.80       71.12
         19 |        714        7.14       78.26
         20 |        468        4.68       82.94
         21 |        608        6.08       89.02
         22 |        502        5.02       94.04
         23 |        562        5.62       99.66
         24 |          7        0.07       99.73
         99 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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