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Earth, Planets and Space

Table 1 Contribution rate of PCA (PC1 to PC5) for individual grains and aggregate samples

From: Homogeneity and heterogeneity in near-infrared FTIR spectra of Ryugu returned samples

 

Contribution rate

PC1

0.9976073

PC2

0.0018695

PC3

0.0002893

PC4

0.0000875

PC5

0.0000439

  1. PC1 accounts for more than 99.7% of contribution rate
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