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

Notificatio |
     n Time |
 EMS-Minute |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        411        4.11        4.11
          1 |         51        0.51        4.62
          2 |         64        0.64        5.26
          3 |         72        0.72        5.98
          4 |         50        0.50        6.48
          5 |        107        1.07        7.55
          6 |         74        0.74        8.29
          7 |         55        0.55        8.84
          8 |         58        0.58        9.42
          9 |         52        0.52        9.94
         10 |         84        0.84       10.78
         11 |         54        0.54       11.32
         12 |         78        0.78       12.10
         13 |         66        0.66       12.76
         14 |         59        0.59       13.35
         15 |         90        0.90       14.25
         16 |         69        0.69       14.94
         17 |         75        0.75       15.69
         18 |         61        0.61       16.30
         19 |         72        0.72       17.02
         20 |         88        0.88       17.90
         21 |         79        0.79       18.69
         22 |         57        0.57       19.26
         23 |         72        0.72       19.98
         24 |         71        0.71       20.69
         25 |         79        0.79       21.48
         26 |         63        0.63       22.11
         27 |         77        0.77       22.88
         28 |         78        0.78       23.66
         29 |         64        0.64       24.30
         30 |         85        0.85       25.15
         31 |         64        0.64       25.79
         32 |         68        0.68       26.47
         33 |         71        0.71       27.18
         34 |         57        0.57       27.75
         35 |         98        0.98       28.73
         36 |         77        0.77       29.50
         37 |         60        0.60       30.10
         38 |         75        0.75       30.85
         39 |         71        0.71       31.56
         40 |         96        0.96       32.52
         41 |         54        0.54       33.06
         42 |         71        0.71       33.77
         43 |         75        0.75       34.52
         44 |         65        0.65       35.17
         45 |        100        1.00       36.17
         46 |         65        0.65       36.82
         47 |         65        0.65       37.47
         48 |         87        0.87       38.34
         49 |         52        0.52       38.86
         50 |         90        0.90       39.76
         51 |         63        0.63       40.39
         52 |         61        0.61       41.00
         53 |         54        0.54       41.54
         54 |         55        0.55       42.09
         55 |         84        0.84       42.93
         56 |         65        0.65       43.58
         57 |         73        0.73       44.31
         58 |         68        0.68       44.99
         59 |         56        0.56       45.55
         99 |      5,445       54.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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