Option Selection Criteria

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Presentation transcript:

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

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

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

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

PCA Scree Plot

PCA BiPlot with Boundary