25 Tables

Table 4.1
The comparison between Calgary’s empirical model accuracy and errors for two time periods.
Variable Model Simple extrapolations
Note from  “The evaluation of an Empiric model for an urban area” by Stokes, E., 1974. Environment and Planning A, 6(6), p.709
R (1958-1964) RMS U R (1964-1971) RMS U R (1964-1971) RMS U
S (pop) 0.734 0-006 0.709 0-492 0-007 0.91 0-427 0-009 1.27
S(con) 0-503 0.01 0-855 0-031 0-011 1.104 -0.004 0.017 1.74
S(m) 0-672 0.01 0.741 0.361 0.01 1.045 0-100 0-017 1.84
S(tcp) 0.608 0-012 0.795 -0.029 0.019 1.09 -0.292 0.026 1.48
S(rw) 0.939 0.007 0-351 -0.602 0-016 2.334 -0.285 0-023 3.42
S(s) 0.917 0-010 0-401 -0.081 0-013 1.765 -0.141 0-027 3.66

License

Icon for the Creative Commons Attribution 4.0 International License

OER Sandbox Copyright © 2018 by Michelle Reed is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

Share This Book