Geoscience Reference
In-Depth Information
Stage 1
Study site selection
Select study site
Describe study
area
Stage 2
Data preparation
Appraise raw data
Filter data
Describe final
filtered data
Create development and testing
data divisions
Stage 3
Model development
Evolve models, e.g.
n
=10
Stage 4
Reject irrational models
Assess model
accuracy
Sensitivity analysis
?
Fail
Pass
Stage 5
Model testing and evaluation
Test models
Assess model
accuracy
Select
preferred
model
Rejected
models
Preferred model
FIGURE 8.1
Five key stages in a GP experiment.
8.3.3 S
tage
3 M
odel
d
eVeloPMent
A simple flowchart summarising how GP solutions are evolved is presented in Figure 8.2.
The first step, which is automated by the software, is the quasi-random production of an initial
population of potential solutions called chromosomes. The chromosomes are different to those used
