Geoscience Reference
In-Depth Information
0.8
0.001
Default
Default
0.7
0.0008
0.6
0.5
0.0006
0.4
0.0004
0.3
0.2
0.0002
0.1
0
0.008
0
0.009 0.01 0.011 0.012 0.013
SRMSE
0.014 0.015
0.008
0.009
0.01
0.011 0.012 0.013 0.014 0.015
SRMSE
(a)
(b)
70
40
35
30
25
20
15
10
5
0.008
Default
Default
69
68
67
66
65
64
63
62
0.009
0.01 0.011 0.012
0.013 0.014 0.015
0.008 0.009 0.01 0.011 0.012 0.013 0.014 0.015
(c)
(d)
SRMSE
SRMSE
5000
3.5
Default
3
4000
2.5
2
3000
1.5
2000
1
1000
0.5
Default
0
0
0.008 0.009 0.01 0.011 0.012 0.013 0.014 0.015
0.008 0.009 0.01
0.011 0.012 0.013 0.014 0.015
(e)
(f)
SRMSE
SRMSE
5
10,000
Default
4
8,000
3
6,000
2
4,000
1
2,000
Default
0
0
0.008 0.009
0.01
0.011 0.012 0.013 0.014 0.015
0.008 0.009 0.01 0.011 0.012 0.013 0.014 0.015
(g)
(h)
SRMSE
SRMSE
FIGURE 7. 5
Variation in model parameters plotted against SRMSE for simulations with different
GA control parameters. (a) β, (b) λ, (c) fixedCosts, (d) costToProduce, (e) changeInProfit, (f) Undercut,
(g) Overprice, (h) Neighbourhood.
(From Heppenstall, A.J. et al.,
Environ. Plann. B
, 34(6): 1051, Pion,
p. 1064, Figure 6, 2007a.)
