Comparative metabolomics of root-tips reveals distinct metabolic pathways conferring drought tolerance in contrasting genotypes of rice

Table 2 Explanation and predictability values of the principal component analysis (PCA) and partial least squares-discriminate analysis (PLS-DA)

		Control-stress (Azu & IR)	Control-stress (Azu)	Control-stress (IR)	Stress (Azu & IR)
PCA	R²X	0.713	0.742	0.759	0.659
PCA	Q²	0.497	0.4015	0.462	0.4055
PLS-DA	R²X	0.586	0.485	0.672	0.501
	R²Y	0.512	0.901	0.906	0.588
	Q²	0.471	0.717	0.794	0.086

ISSN: 1471-2164