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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 | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | Mean | StDev | ||
WD | lm/week | 269.5 | 775.0 | 212.8 | 242.6 | 1292.8 | 1922.1 | 142.4 | 127.3 | 22.1 | 9.5 | 15.0 | 0.0 |
WF | times/week | 1.2 | 0.8 | 1.0 | 0.0 | 3.0 | 1.5 | 1.0 | 0.0 | 1.0 | 0.0 | 1.0 | 0.0 |
NS | stops/travel | 1.8 | 0.3 | 2.0 | 0.0 | 1.5 | 0.5 | 1.0 | 0.0 | 2.0 | 0.2 | 2.0 | 0.0 |
SD | NM/travel | 1865.1 | 123.3 | 1939.9 | 98.5 | 1788.3 | 137.1 | 1684.1 | 36.6 | 1831.0 | 87.7 | 1856.3 | 100.8 |
TT | h/travel | 225.9 | 23.4 | 238.5 | 5.5 | 171.7 | 21.0 | 208.3 | 2.0 | 231.9 | 6.5 | 233.9 | 5.6 |
RWT | – | 0.3 | 0.1 | 0.4 | 0.0 | 0.2 | 0.1 | 0.4 | 0.0 | 0.4 | 0.0 | 0.4 | 0.0 |
OC | €/lm | 1089 | 1027 | 439.8 | 322.0 | 268.6 | 415.1 | 579.4 | 679.7 | 2019.9 | 536.4 | 3001.6 | 757.3 |
TC | €/lm | 429.2 | 44.5 | 453.2 | 10.4 | 326.2 | 39.8 | 395.8 | 3.9 | 440.6 | 12.3 | 444.3 | 10.6 |
UE | kgCO2/lm | 465.5 | 212.6 | 398.5 | 104.3 | 359.5 | 117.2 | 303.7 | 95.7 | 505.3 | 167.7 | 987.2 | 180.8 |
N. of observations | 98 | 43 | 12 | 7 | 28 | 8 |