Table 3 - Illustrative Computation of Competitive Accessibilities and Average Costs
b = 1.0 Comparison between total of residences and total of jobs, over 35 zones; includes accessibilities and derived average costs.
| Accessibility to employment | Accessibility to residents | ||||||
|---|---|---|---|---|---|---|---|
| Simple | Ratio | Discounted | Gravity | Simple | Ratio | Discounted | Gravity |
| 0.045 | 0.515 | 0.371 | 0.087 | 0.088 | 1.942 | 1.332 | 0.657 |
| 0.056 | 0.541 | 0.448 | 0.112 | 0.103 | 1.847 | 1.414 | 0.663 |
| 0.057 | 0.565 | 0.472 | 0.131 | 0.100 | 1.770 | 1.309 | 0.557 |
| 0.058 | 0.653 | 0.549 | 0.164 | 0.088 | 1.532 | 1.129 | 0.419 |
| 0.058 | 0.805 | 0.672 | 0.209 | 0.071 | 1.242 | 0.926 | 0.291 |
| 0.055 | 1.057 | 0.829 | 0.262 | 0.052 | 0.946 | 0.719 | 0.189 |
| 0.041 | 1.232 | 0.766 | 0.244 | 0.033 | 0.811 | 0.511 | 0.115 |
| 0.079 | 0.675 | 0.567 | 0.159 | 0.117 | 1.481 | 1.292 | 0.614 |
| 0.092 | 0.658 | 0.643 | 0.192 | 0.139 | 1.520 | 1.449 | 0.659 |
| 0.095 | 0.683 | 0.681 | 0.220 | 0.138 | 1.463 | 1.377 | 0.575 |
| 0.091 | 0.740 | 0.738 | 0.255 | 0.124 | 1.351 | 1.215 | 0.449 |
| 0.091 | 0.922 | 0.899 | 0.317 | 0.099 | 1.084 | 0.999 | 0.319 |
| 0.080 | 1.147 | 1.012 | 0.359 | 0.069 | 0.872 | 0.768 | 0.209 |
| 0.056 | 1.333 | 0.903 | 0.320 | 0.042 | 0.750 | 0.527 | 0.124 |
| 0.135 | 0.941 | 0.893 | 0.287 | 0.144 | 1.063 | 1.160 | 0.526 |
| 0.142 | 0.817 | 0.897 | 0.312 | 0.173 | 1.224 | 1.348 | 0.586 |
| 0.144 | 0.799 | 0.914 | 0.348 | 0.180 | 1.251 | 1.348 | 0.543 |
| 0.139 | 0.831 | 0.955 | 0.389 | 0.167 | 1.204 | 1.242 | 0.450 |
| 0.123 | 0.931 | 1.003 | 0.416 | 0.132 | 1.074 | 1.030 | 0.329 |
| 0.098 | 1.129 | 1.028 | 0.423 | 0.087 | 0.886 | 0.760 | 0.211 |
| 0.065 | 1.318 | 0.880 | 0.357 | 0.049 | 0.759 | 0.502 | 0.123 |
| 0.178 | 1.107 | 1.127 | 0.407 | 0.161 | 0.904 | 1.064 | 0.458 |
| 0.189 | 1.031 | 1.146 | 0.446 | 0.184 | 0.970 | 1.175 | 0.486 |
| 0.200 | 0.919 | 1.181 | 0.510 | 0.217 | 1.088 | 1.308 | 0.506 |
| 0.208 | 0.978 | 1.297 | 0.602 | 0.213 | 1.022 | 1.266 | 0.445 |
| 0.175 | 1.019 | 1.251 | 0.592 | 0.172 | 0.981 | 1.099 | 0.344 |
| 0.120 | 1.128 | 1.107 | 0.518 | 0.106 | 0.886 | 0.795 | 0.218 |
| 0.072 | 1.258 | 0.870 | 0.397 | 0.057 | 0.795 | 0.524 | 0.125 |
| 0.144 | 1.051 | 0.944 | 0.363 | 0.137 | 0.951 | 0.890 | 0.364 |
| 0.169 | 1.106 | 1.040 | 0.434 | 0.152 | 0.904 | 0.910 | 0.361 |
| 0.211 | 1.020 | 1.241 | 0.578 | 0.207 | 0.980 | 1.125 | 0.419 |
| 0.288 | 1.803 | 1.809 | 0.904 | 0.160 | 0.555 | 0.890 | 0.306 |
| 0.193 | 1.168 | 1.334 | 0.678 | 0.165 | 0.856 | 0.957 | 0.292 |
| 0.126 | 1.394 | 1.160 | 0.584 | 0.091 | 0.718 | 0.616 | 0.169 |
| 0.074 | 1.527 | 0.940 | 0.460 | 0.049 | 0.655 | 0.412 | 0.097 |
| Correlations among eight accessibility measures, four in each of two groups | |||||||
|---|---|---|---|---|---|---|---|
| 1.000 | 0.351 | 0.856 | 0.823 | 0.832 | -.393 | 0.224 | 0.139 |
| 0.351 | 1.000 | 0.731 | 0.736 | -.192 | -.937 | -.797 | -.789 |
| 0.856 | 0.731 | 1.000 | 0.974 | 0.476 | -.769 | -.257 | -.363 |
| 0.823 | 0.736 | 0.974 | 1.000 | 0.437 | -.737 | -.287 | -.390 |
| 0.832 | -.192 | 0.476 | 0.437 | 1.000 | 0.080 | 0.669 | 0.576 |
| -.393 | -.937 | -.769 | -.737 | 0.080 | 1.000 | 0.768 | 0.804 |
| 0.224 | -.797 | -.257 | -.287 | 0.669 | 0.768 | 1.000 | 0.964 |
| 0.139 | -.789 | -.363 | -.390 | 0.576 | 0.804 | 0.964 | 1.000 |
| Accessibility to employment | Accessibility to residents | ||||||
|---|---|---|---|---|---|---|---|
| Simple | Ratio | Discounted | Gravity | Simple | Ratio | Discounted | Gravity |
| 3.090 | 0.664 | 0.992 | 2.440 | 2.427 | -.664 | -.287 | 0.420 |
| 2.886 | 0.613 | 0.803 | 2.187 | 2.272 | -.613 | -.347 | 0.411 |
| 2.870 | 0.571 | 0.751 | 2.031 | 2.299 | -.571 | -.269 | 0.585 |
| 2.852 | 0.427 | 0.599 | 1.810 | 2.426 | -.427 | -.122 | 0.869 |
| 2.856 | 0.217 | 0.398 | 1.564 | 2.639 | -.217 | 0.077 | 1.234 |
| 2.897 | -.056 | 0.188 | 1.341 | 2.952 | 0.056 | 0.329 | 1.664 |
| 3.205 | -.209 | 0.267 | 1.412 | 3.414 | 0.209 | 0.671 | 2.165 |
| 2.539 | 0.392 | 0.567 | 1.842 | 2.146 | -.392 | -.256 | 0.487 |
| 2.390 | 0.419 | 0.442 | 1.652 | 1.971 | -.419 | -.371 | 0.418 |
| 2.358 | 0.381 | 0.384 | 1.513 | 1.978 | -.381 | -.320 | 0.554 |
| 2.392 | 0.301 | 0.303 | 1.366 | 2.091 | -.301 | -.195 | 0.800 |
| 2.397 | 0.081 | 0.107 | 1.149 | 2.316 | -.081 | 0.001 | 1.143 |
| 2.530 | -.137 | -.012 | 1.025 | 2.667 | 0.137 | 0.264 | 1.566 |
| 2.885 | -.287 | 0.102 | 1.139 | 3.172 | 0.287 | 0.641 | 2.087 |
| 2.000 | 0.061 | 0.113 | 1.249 | 1.939 | -.061 | -.149 | 0.642 |
| 1.955 | 0.203 | 0.109 | 1.165 | 1.753 | -.203 | -.299 | 0.534 |
| 1.937 | 0.224 | 0.090 | 1.056 | 1.712 | -.224 | -.299 | 0.610 |
| 1.973 | 0.185 | 0.046 | 0.945 | 1.787 | -.185 | -.216 | 0.798 |
| 2.099 | 0.071 | -.003 | 0.876 | 2.027 | -.071 | -.029 | 1.113 |
| 2.326 | -.121 | -.027 | 0.860 | 2.447 | 0.121 | 0.275 | 1.555 |
| 2.737 | -.276 | 0.128 | 1.031 | 3.013 | 0.276 | 0.689 | 2.100 |
| 1.725 | -.101 | -.120 | 0.900 | 1.826 | 0.101 | -.062 | 0.781 |
| 1.664 | -.031 | -.136 | 0.808 | 1.694 | 0.031 | -.161 | 0.722 |
| 1.610 | 0.084 | -.167 | 0.673 | 1.526 | -.084 | -.269 | 0.682 |
| 1.570 | 0.022 | -.260 | 0.507 | 1.548 | -.022 | -.236 | 0.809 |
| 1.742 | -.019 | -.224 | 0.524 | 1.760 | 0.019 | -.094 | 1.068 |
| 2.121 | -.120 | -.102 | 0.658 | 2.242 | 0.120 | 0.230 | 1.524 |
| 2.634 | -.230 | 0.139 | 0.923 | 2.864 | 0.230 | 0.647 | 2.079 |
| 1.937 | -.050 | 0.058 | 1.014 | 1.987 | 0.050 | 0.116 | 1.011 |
| 1.780 | -.101 | -.040 | 0.834 | 1.881 | 0.101 | 0.094 | 1.020 |
| 1.556 | -.020 | -.216 | 0.549 | 1.576 | 0.020 | -.117 | 0.869 |
| 1.244 | -.589 | -.593 | 0.101 | 1.833 | 0.589 | 0.116 | 1.184 |
| 1.645 | -.155 | -.288 | 0.389 | 1.800 | 0.155 | 0.043 | 1.232 |
| 2.069 | -.332 | -.149 | 0.538 | 2.401 | 0.332 | 0.484 | 1.780 |
| 2.602 | -.424 | 0.062 | 0.776 | 3.025 | 0.424 | 0.887 | 2.330 |
Updated: Saturday, May 20, 2017