New Role of Thermal Mapping in Winter Maintenance with Principal Components Analysis

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td align="left"> </td><td align="center">Number of principal components (PC) used</td><td align="center">Percentage of explained variance<br/>(with 1st PC)</td><td align="center">Outliers detected<br/>(number of data points)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td align="left">4 thermal fingerprints<br/>(−9°C to +7°C)</td><td align="center">2</td><td align="center">98</td><td align="center">170</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

PCA statistical indicators for the UK route.

Advances in Meteorology

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Table 2

Table 2: New Role of Thermal Mapping in Winter Maintenance with Principal Components Analysis 