1. Option Selection Criteria
1. Journey Time
2. Safety
3. Comfort
4. Construction Cost
5. Operating Cost
6. Townscape Impact
7. …
Goals
Option Selection Criteria
Option Descriptions
Option Selection
Preferred Option

2. O: minibus
C: Journey Time
C: Safety
C: Comfort
C: Construction Cost
C: Operating Cost
C: Traffic Impact
C: Buildability
C: …
O: tram
Q: which mode
of transport?
O: cablecar
positive
negative
O: underground
railway

6. Options Criteria Minibus Tram Railway Tunnel Chairlift Journey_Time
+++ -
Safety
--- --
Comfort + ++
Construction_Cost
Operating_Cost
Townscape
Wildlife
Traffic
Buildability
Capacity
Reliability

7. Principal Component
Eigenvalue
% of Variance Explained 1
14.48
53.74
Using Correlation Matrix, 2
8.11
30.11
Single Value Decomposition 3
4.35
16.15
Jolliffe cut-off: 1.71, 4
0.00
so use just first 2 Components 5

8. PCA Scree Plot

9. PCA BiPlot with Boundary