Biomedical Engineering Reference
In-Depth Information
Table 7.6
Means.and.Standard.Deviations.of.the.Deb.and.Jain.
Convergence.Metric.for.Scenario.a:.25.Users
Set
MOGA
NPGA2
NSGA2
SPEA2
JG
1
1.46457
0.87476
0.87716
1.01084
0.85851
(0.34465)
(0.34772)
(0.24376)
(0.37437)
(0.28257)
2
5.54971
2.96351
3.11623
4.06308
3.21363
(1.42756)
(0.65139)
(0.80334)
(1.51124)
(1.12461)
3
2.97277
1.51712
1.58659
1.91971
1.54879
(1.53381)
(0.56122)
(0.32315)
(1.23594)
(0.37745)
4
2.17939
1.52314
1.39023
1.61352
1.38370
(0.71769)
(0.63025)
(0.32363)
(0.48567)
(0.57063)
5
9.28464
6.10951
7.87668
9.39389
7.26696
(4.93257)
(4.62266)
(3.91845)
(6.50109)
(2.71774)
6
33.91906
15.82890
27.61811
15.03545
30.76600
(33.89666)
(28.87598)
(18.89024)
(13.25995)
(22.91944)
7
13.60818
9.03703
4.06747
8.45967
3.61446
(7.78791)
(9.39618)
(1.55185)
(6.63293)
(1.30963)
8
12.45420
6.84593
6.47069
8.01524
5.89585
(8.76255)
(5.07673)
(1.72789)
(5.07927)
(1.69749)
9
7.66898
3.33059
2.54958
4.73264
2.65271
(5.90743)
(1.93979)
(0.49800)
(2.80844)
(0.72296)
10
3.48460
2.21659
2.01528
2.57183
2.02774
(1.18591)
(1.16675)
(0.61998)
(0.93743)
(0.52989)
Note:
. The.best.result.for.each.testing.set.is.marked.in.bold,.and.the.val-
ues.in.parentheses.represent.the.standard.deviation.
the.JG.in.four.sets.(sets.1,.4,.7,.and.8),.while.the.NPGA2,.NSGA2,.and.SPEA2.
were.the.best.in.three.sets.(sets.2,.3,.and.5),.two.sets.(sets.9.and.10),.and.one.
set.(set.6),.respectively.
Regarding.scenario.b.with.50.users,.the.JG.was.the.winner.in.seven.sets.
(sets.1-6.and.10)..In.contrast,.the.NPGA2.and.NSGA2.won.in.two.sets.(sets.
7. and. 9). and. one. set. (set. 8),. respectively.. Moreover,. by. using. the. JG,. better.
performance.in.the.scenario.with.a.larger.number.of.total.connecting.users.
(i.e.,.scenario.b.with.50.users).was.found.
7.8.2 Mean and Standard Deviation of Spread for evaluating Diversity
The.means.and.standard.deviations.of.the.spread.for.the.two.scenarios.are.
shown.in.
Tables 7.8
.
and
.
7.9
..
Although.the.JG.did.not.acquire.better.diversity.
in.any.set.for.scenario.a.with.25.users,.it.was.the.winner.of.six.sets.(sets.1,.3,.
4,.6,.7,.and.9).for.scenario.b.with.50.users.
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