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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        841        8.41        8.41
          1 |         63        0.63        9.04
          2 |         61        0.61        9.65
          3 |         55        0.55       10.20
          4 |         75        0.75       10.95
          5 |        406        4.06       15.01
          6 |         55        0.55       15.56
          7 |         55        0.55       16.11
          8 |         57        0.57       16.68
          9 |         45        0.45       17.13
         10 |        587        5.87       23.00
         11 |         55        0.55       23.55
         12 |         44        0.44       23.99
         13 |         79        0.79       24.78
         14 |         77        0.77       25.55
         15 |        772        7.72       33.27
         16 |         42        0.42       33.69
         17 |         62        0.62       34.31
         18 |         81        0.81       35.12
         19 |         42        0.42       35.54
         20 |        591        5.91       41.45
         21 |         57        0.57       42.02
         22 |         38        0.38       42.40
         23 |         54        0.54       42.94
         24 |         59        0.59       43.53
         25 |        465        4.65       48.18
         26 |         39        0.39       48.57
         27 |         66        0.66       49.23
         28 |         35        0.35       49.58
         29 |         45        0.45       50.03
         30 |        949        9.49       59.52
         31 |         35        0.35       59.87
         32 |         72        0.72       60.59
         33 |         64        0.64       61.23
         34 |         73        0.73       61.96
         35 |        434        4.34       66.30
         36 |         55        0.55       66.85
         37 |         28        0.28       67.13
         38 |         52        0.52       67.65
         39 |         93        0.93       68.58
         40 |        504        5.04       73.62
         41 |         32        0.32       73.94
         42 |         63        0.63       74.57
         43 |         40        0.40       74.97
         44 |         54        0.54       75.51
         45 |        653        6.53       82.04
         46 |         41        0.41       82.45
         47 |         60        0.60       83.05
         48 |         59        0.59       83.64
         49 |         43        0.43       84.07
         50 |        674        6.74       90.81
         51 |         32        0.32       91.13
         52 |         37        0.37       91.50
         53 |         87        0.87       92.37
         54 |         75        0.75       93.12
         55 |        450        4.50       97.62
         56 |         35        0.35       97.97
         57 |         63        0.63       98.60
         58 |         60        0.60       99.20
         59 |         46        0.46       99.66
         99 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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