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Table 3 Rotated loading matrix of the first two factors

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

Variables Factor 1 Factor 2
MEAN_ANN_TEMP_AVG 0.982994 −0.047980
MAX_ANN_TEMP_AVG 0.954591 −0.189334
MIN_ANN_TEMP_AVG 0.968678 0.104785
MAX_ANN_TEMP 0.573785 −0.606849
MIN_ANN_TEMP 0.913414 0.025054
DAYS_ABOVE_32_C_YR 0.752046 −0.452869
DAYS_BELOW_0_C_YR −0.960855 −0.087493
FREEZE_INDEX_YR −0.258940 0.089854
FREEZE_THAW_YR −0.769869 −0.188397
WET_DAYS_YR 0.262178 0.865239
TOTAL_ANN_PRECIP 0.320213 0.806396
INTENSE_PRECIP_DAYS_YR −0.200770 0.798712
MAX_ANN_HUM_AVG −0.077982 0.675087
MIN_ANN_HUM_AVG −0.224511 0.815680
TOTAL_SNOWFALL_YR −0.734878 0.127059
SNOW_COVERED_DAYS_YR −0.830072 0.027067