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Table 2 Loading matrix of the first five components

From: Classification of pavement climatic regions through unsupervised and supervised machine learnings

Variables Prin1 Prin2 Prin3 Prin4 Prin5
MEAN_ANN_TEMP_AVG 0.978399 0.106364 − 0.003164 0.042723 0.015729
MAX_ANN_TEMP_AVG 0.972456 −0.037692 0.003979 0.016051 0.083788
MIN_ANN_TEMP_AVG 0.940365 0.255010 −0.011688 0.068552 −0.058891
MAX_ANN_TEMP 0.661642 −0.509632 0.160909 0.017871 0.122109
MIN_ANN_TEMP 0.898253 0.167616 −0.044046 0.045169 0.013632
DAYS_ABOVE_32_C_YR 0.813625 − 0.329665 0.068207 0.187960 −0.047039
DAYS_BELOW_0_C_YR −0.935344 − 0.236707 0.004261 − 0.102506 0.142964
FREEZE_INDEX_YR −0.824088 −0.103101 0.094111 0.207272 −0.368696
FREEZE_THAW_YR −0.730925 −0.306496 − 0.056753 −0.299598 0.491193
TOTAL_ANN_PRECIP 0.123616 0.895597 −0.302086 −0.117232 0.062065
INTENSE_PRECIP_DAYS_YR 0.190140 0.846556 −0.297667 −0.150064 0.100138
WET_DAYS_YR −0.349331 0.770524 −0.226374 −0.017618 − 0.069989
MAX_ANN_HUM_AVG −0.182615 0.654580 0.665804 0.081985 0.195059
MIN_ANN_HUM_AVG −0.323228 0.757478 0.506772 0.126679 −0.028140
TOTAL_SNOWFALL_YR −0.745707 0.010550 −0.217644 0.198152 −0.217309
SNOW_COVERED_DAYS_YR −0.269808 0.048246 −0.244001 0.855057 0.348518