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

    Time of |
Accident-Mi |
       nute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      1,052       10.52       10.52
          1 |         48        0.48       11.00
          2 |         59        0.59       11.59
          3 |         44        0.44       12.03
          4 |         49        0.49       12.52
          5 |        463        4.63       17.15
          6 |         44        0.44       17.59
          7 |         53        0.53       18.12
          8 |         50        0.50       18.62
          9 |         34        0.34       18.96
         10 |        585        5.85       24.81
         11 |         35        0.35       25.16
         12 |         68        0.68       25.84
         13 |         54        0.54       26.38
         14 |         39        0.39       26.77
         15 |        767        7.67       34.44
         16 |         38        0.38       34.82
         17 |         54        0.54       35.36
         18 |         65        0.65       36.01
         19 |         31        0.31       36.32
         20 |        614        6.14       42.46
         21 |         41        0.41       42.87
         22 |         55        0.55       43.42
         23 |         47        0.47       43.89
         24 |         39        0.39       44.28
         25 |        396        3.96       48.24
         26 |         45        0.45       48.69
         27 |         54        0.54       49.23
         28 |         43        0.43       49.66
         29 |         28        0.28       49.94
         30 |      1,125       11.25       61.19
         31 |         29        0.29       61.48
         32 |         42        0.42       61.90
         33 |         39        0.39       62.29
         34 |         41        0.41       62.70
         35 |        428        4.28       66.98
         36 |         34        0.34       67.32
         37 |         37        0.37       67.69
         38 |         55        0.55       68.24
         39 |         42        0.42       68.66
         40 |        589        5.89       74.55
         41 |         36        0.36       74.91
         42 |         50        0.50       75.41
         43 |         47        0.47       75.88
         44 |         50        0.50       76.38
         45 |        787        7.87       84.25
         46 |         40        0.40       84.65
         47 |         54        0.54       85.19
         48 |         40        0.40       85.59
         49 |         45        0.45       86.04
         50 |        603        6.03       92.07
         51 |         38        0.38       92.45
         52 |         55        0.55       93.00
         53 |         39        0.39       93.39
         54 |         29        0.29       93.68
         55 |        417        4.17       97.85
         56 |         47        0.47       98.32
         57 |         43        0.43       98.75
         58 |         54        0.54       99.29
         59 |         39        0.39       99.68
         99 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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