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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        348        3.48        3.48
          1 |        388        3.88        7.36
          2 |        278        2.78       10.14
          3 |        234        2.34       12.48
          4 |        197        1.97       14.45
          5 |        250        2.50       16.95
          6 |        342        3.42       20.37
          7 |        262        2.62       22.99
          8 |        264        2.64       25.63
          9 |        321        3.21       28.84
         10 |        239        2.39       31.23
         11 |        301        3.01       34.24
         12 |        373        3.73       37.97
         13 |        526        5.26       43.23
         14 |        523        5.23       48.46
         15 |        552        5.52       53.98
         16 |        593        5.93       59.91
         17 |        588        5.88       65.79
         18 |        824        8.24       74.03
         19 |        561        5.61       79.64
         20 |        522        5.22       84.86
         21 |        590        5.90       90.76
         22 |        453        4.53       95.29
         23 |        445        4.45       99.74
         24 |          2        0.02       99.76
         99 |         24        0.24      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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