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

EMS Time at |
Hospital-Ho |
         ur |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,285       22.85       22.85
          1 |         45        0.45       23.30
          2 |         45        0.45       23.75
          3 |         38        0.38       24.13
          4 |         18        0.18       24.31
          5 |         16        0.16       24.47
          6 |         27        0.27       24.74
          7 |         38        0.38       25.12
          8 |         35        0.35       25.47
          9 |         26        0.26       25.73
         10 |         26        0.26       25.99
         11 |         36        0.36       26.35
         12 |         33        0.33       26.68
         13 |         47        0.47       27.15
         14 |         38        0.38       27.53
         15 |         38        0.38       27.91
         16 |         67        0.67       28.58
         17 |         64        0.64       29.22
         18 |         56        0.56       29.78
         19 |         72        0.72       30.50
         20 |         67        0.67       31.17
         21 |         64        0.64       31.81
         22 |         64        0.64       32.45
         23 |         67        0.67       33.12
         24 |          1        0.01       33.13
         99 |      6,687       66.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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