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Table 12 Rotated factor loadings and communalities using Varimax rotation – Optimized network
From: Performance assessment of alternative SSS networks by combining KPIs and factor-cluster analysis
Variable | Factor 1 | Factor 2 | Factor 3 | Communality |
|---|---|---|---|---|
WD - Weekly Demand | −0.770 | −0.119 | 0.205 | 0.649 |
WF - Weekly Frequency | −0.917 | 0.298 | 0.054 | 0.932 |
NS - N. of intermediate Stops | 0.055 | −0.867 | −0.205 | 0.796 |
SD - Sailing Distance | 0.033 | −0.886 | 0.102 | 0.797 |
RWT – Ratio WT/TT | 0.950 | −0.084 | −0.088 | 0.917 |
OC - Operating Cost | 0.024 | −0.163 | −0.865 | 0.776 |
TC - Time Cost | 0.248 | 0.063 | −0.856 | 0.798 |
UE – Unitary Emission of CO2 | 0.677 | −0.714 | −0.099 | 0.979 |
Eigenvalue | 2.8603 | 2.1875 | 1.5966 | 6.644 |
% Var | 0.358 | 0.273 | 0.200 | 0.831 |