Civil Engineering Reference
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0.6 0.7 0.8
0.97 0.98 0.99
0.7 0.8 0.9
0.6 0.7 0.8
0.97 0.98 0.99
0.7 0.8 0.9
ʳ
ʻ
ʵ
Fig. B.2
Boxplots of convergence episode and performance versus
ʻ
,
ʳ
, and
. This figure
previously appear in Gatti et al. (2013).
Table B.2
Analysis of variance for the logarithm of the episode at convergence; the colon between
variables indicates a variable interaction (
SS
=
sums of squares).
Model term
SS
F
-ratio
p
-value
ʻ
0.207
48.864
<0.001
ʳ
0.231
54.603
<0.001
0.295
69.557
<0.001
ʻ
:
ʳ
0.037
8.812
0.003
ʻ
:
0.016
3.752
0.054
ʳ
:
0.005
1.164
0.282
Residuals
0.747
Table B.3
Analysis of variance for the logarithm of the mean performance.
Model term
SS
F
-ratio
p
-value
ʻ
0.000
0.000
0.996
ʳ
0.043
20.275
<0.001
0.005
2.368
0.126
Residuals
0.381
B.4
Discussion
This study employs design of experiments and statistical analysis to aid in under-
standing the behavior of TD(
ʻ
) in a specific domain. Experimental design
D
1
shows
that the network empirically converges to a stable solution in a fairly small region of
the parameter space, however, convergence is not guaranteed. Experimental design
D
2
indicates that significant effects are of low order. While all parameters have an
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