PC1

PC2

PC3

PC4

Band 1

0.994027

0.063058

0.063258

0.062707

Band 2

−0.109131

0.575296

0.571368

0.575033

Band 3

−0.000545

0.362833

0.453723

−0.813933

Band 4

−0.000410

−0.730350

0.680935

0.054011