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

    Time of |
Accident-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        443        4.43        4.43
          1 |        456        4.56        8.99
          2 |        386        3.86       12.85
          3 |        261        2.61       15.46
          4 |        160        1.60       17.06
          5 |        152        1.52       18.58
          6 |        214        2.14       20.72
          7 |        235        2.35       23.07
          8 |        204        2.04       25.11
          9 |        215        2.15       27.26
         10 |        280        2.80       30.06
         11 |        338        3.38       33.44
         12 |        438        4.38       37.82
         13 |        424        4.24       42.06
         14 |        519        5.19       47.25
         15 |        522        5.22       52.47
         16 |        664        6.64       59.11
         17 |        669        6.69       65.80
         18 |        569        5.69       71.49
         19 |        609        6.09       77.58
         20 |        562        5.62       83.20
         21 |        629        6.29       89.49
         22 |        516        5.16       94.65
         23 |        523        5.23       99.88
         24 |          7        0.07       99.95
         99 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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