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

EMS Time at |
Hospital-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,248       22.48       22.48
          1 |         57        0.57       23.05
          2 |         51        0.51       23.56
          3 |         30        0.30       23.86
          4 |         31        0.31       24.17
          5 |         13        0.13       24.30
          6 |         25        0.25       24.55
          7 |         42        0.42       24.97
          8 |         30        0.30       25.27
          9 |         31        0.31       25.58
         10 |         47        0.47       26.05
         11 |         38        0.38       26.43
         12 |         38        0.38       26.81
         13 |         47        0.47       27.28
         14 |         63        0.63       27.91
         15 |         68        0.68       28.59
         16 |         71        0.71       29.30
         17 |         67        0.67       29.97
         18 |         90        0.90       30.87
         19 |         75        0.75       31.62
         20 |         67        0.67       32.29
         21 |         64        0.64       32.93
         22 |         67        0.67       33.60
         23 |         62        0.62       34.22
         24 |          2        0.02       34.24
         99 |      6,576       65.76      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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