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

EMS Time at |
Hospital-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,131       21.31       21.31
          1 |         72        0.72       22.03
          2 |         55        0.55       22.58
          3 |         43        0.43       23.01
          4 |         21        0.21       23.22
          5 |         22        0.22       23.44
          6 |         30        0.30       23.74
          7 |         36        0.36       24.10
          8 |         36        0.36       24.46
          9 |         22        0.22       24.68
         10 |         48        0.48       25.16
         11 |         27        0.27       25.43
         12 |         35        0.35       25.78
         13 |         44        0.44       26.22
         14 |         51        0.51       26.73
         15 |         67        0.67       27.40
         16 |         69        0.69       28.09
         17 |         75        0.75       28.84
         18 |         77        0.77       29.61
         19 |         73        0.73       30.34
         20 |         69        0.69       31.03
         21 |         78        0.78       31.81
         22 |         68        0.68       32.49
         23 |         48        0.48       32.97
         24 |          2        0.02       32.99
         99 |      6,701       67.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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