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Table 10 Descriptive features of the final partition – Existing network
From: Performance assessment of alternative SSS networks by combining KPIs and factor-cluster analysis
KPI | Unit of measure | Whole network | Cluster 1 | Cluster 2 | Cluster 3 | Cluster 4 | Cluster 5 | Cluster 6 | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | ||
WD | lm/week | 269.5 | 775.0 | 212.0 | 195.1 | 2802.0 | 2310.6 | 249.3 | 237.2 | 23.0 | 12.9 | 15.0 | 0.0 | 46.8 | 17.7 |
WF | times/week | 1.0 | 1.0 | 0.3 | 0.1 | 2.6 | 0.5 | 2.1 | 0.7 | 0.4 | 0.3 | 0.3 | 0.0 | 2.7 | 0.4 |
NS | stops/travel | 3.8 | 0.8 | 3.6 | 0.8 | 3.8 | 0.4 | 3.6 | 0.7 | 4.1 | 0.8 | 4.8 | 0.4 | 3.3 | 0.5 |
SD | NM/travel | 2102.6 | 587.8 | 1898.8 | 588.6 | 2451.0 | 462.9 | 1797.6 | 330.1 | 2152.7 | 554.6 | 2940.3 | 209.5 | 2195.6 | 493.7 |
TT | h/travel | 392.1 | 148.2 | 458.1 | 83.8 | 237.4 | 31.7 | 208.2 | 20.4 | 463.2 | 107.1 | 579.0 | 15.5 | 214.4 | 29.9 |
RWT | – | 0.5 | 0.2 | 0.6 | 0.1 | 0.1 | 0.0 | 0.2 | 0.1 | 0.6 | 0.1 | 0.6 | 0.0 | 0.1 | 0.0 |
OC | €/lm | 1976.0 | 1916.0 | 502.6 | 391.0 | 93.2 | 54.4 | 706.9 | 493.0 | 3119.5 | 1126.9 | 5536.6 | 394.5 | 3847.4 | 1326.1 |
TC | €/lm | 745.0 | 281.6 | 870.3 | 159.2 | 451.0 | 60.2 | 395.6 | 38.8 | 880.1 | 203.5 | 1100.0 | 29.5 | 407.4 | 56.9 |
UE | kgCO2/lm | 5733.0 | 5451.0 | 1563.6 | 1332.2 | 261.3 | 157.2 | 2076.4 | 1415.0 | 8861.3 | 2577.0 | 15,494.0 | 2752.3 | 12,019.5 | 3943.9 |
N. of observations | 98 | 31 | 5 | 19 | 25 | 10 | 8 | ||||||||