Frequencies for minear variable in impact1998 dataset :

 Mileage to |
    Nearest |
   Hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        365        7.04        7.04
          1 |        791       15.26       22.31
          2 |        441        8.51       30.82
          3 |        251        4.84       35.66
          4 |        171        3.30       38.96
          5 |        118        2.28       41.24
          6 |         82        1.58       42.82
          7 |        130        2.51       45.33
          8 |        110        2.12       47.45
          9 |        115        2.22       49.67
         10 |        153        2.95       52.62
         11 |        158        3.05       55.67
         12 |        185        3.57       59.24
         13 |        164        3.16       62.41
         14 |        172        3.32       65.73
         15 |        183        3.53       69.26
         16 |        151        2.91       72.17
         17 |        159        3.07       75.24
         18 |        141        2.72       77.96
         19 |        115        2.22       80.18
         20 |        114        2.20       82.38
         21 |         80        1.54       83.93
         22 |         79        1.52       85.45
         23 |         64        1.24       86.68
         24 |         51        0.98       87.67
         25 |         31        0.60       88.27
         26 |         30        0.58       88.85
         27 |         30        0.58       89.42
         28 |         19        0.37       89.79
         29 |         28        0.54       90.33
         30 |         14        0.27       90.60
         31 |         17        0.33       90.93
         32 |         19        0.37       91.30
         33 |         18        0.35       91.64
         34 |         13        0.25       91.90
         35 |         12        0.23       92.13
         36 |         14        0.27       92.40
         37 |         13        0.25       92.65
         38 |          9        0.17       92.82
         39 |         13        0.25       93.07
         41 |          5        0.10       93.17
         42 |         11        0.21       93.38
         43 |          5        0.10       93.48
         44 |          7        0.14       93.61
         45 |          5        0.10       93.71
         46 |          7        0.14       93.84
         47 |          2        0.04       93.88
         48 |          2        0.04       93.92
         49 |          4        0.08       94.00
         50 |          4        0.08       94.08
         51 |          1        0.02       94.09
         52 |          1        0.02       94.11
         53 |          2        0.04       94.15
         54 |          1        0.02       94.17
         56 |          3        0.06       94.23
         57 |          3        0.06       94.29
         58 |          1        0.02       94.31
         59 |          2        0.04       94.35
         60 |          1        0.02       94.37
         61 |          3        0.06       94.42
         62 |          1        0.02       94.44
         63 |          2        0.04       94.48
         65 |          1        0.02       94.50
         66 |          1        0.02       94.52
         69 |          1        0.02       94.54
         75 |          2        0.04       94.58
         77 |          1        0.02       94.60
         86 |          1        0.02       94.62
         87 |          1        0.02       94.64
        156 |          1        0.02       94.65
          . |        277        5.35      100.00
------------+-----------------------------------
      Total |      5,182      100.00

by Jean Roth , jroth@nber.org , 17 Mar 2016