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

EMS Time at |
Hospital-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,283       22.83       22.83
          1 |         63        0.63       23.46
          2 |         53        0.53       23.99
          3 |         34        0.34       24.33
          4 |         25        0.25       24.58
          5 |         16        0.16       24.74
          6 |         23        0.23       24.97
          7 |         32        0.32       25.29
          8 |         37        0.37       25.66
          9 |         31        0.31       25.97
         10 |         25        0.25       26.22
         11 |         37        0.37       26.59
         12 |         43        0.43       27.02
         13 |         48        0.48       27.50
         14 |         55        0.55       28.05
         15 |         80        0.80       28.85
         16 |         66        0.66       29.51
         17 |         80        0.80       30.31
         18 |         76        0.76       31.07
         19 |         64        0.64       31.71
         20 |         55        0.55       32.26
         21 |         55        0.55       32.81
         22 |         55        0.55       33.36
         23 |         55        0.55       33.91
         99 |      6,609       66.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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