Serum metabolomics in chickens infected with Cryptosporidium baileyi

Parasites & Vectors

Table 1 Each parameter of the multivariate statistical analysis

Samples	Models	R2X (cumulative)	R2Y (cumulative)	Q2(cumulative)	Q2
All	PCA-X	0.34		0.036
Case 1–Con 1^a	PLS-DA	0.37	0.95	0.81
Case 1–Con 1^a	OPLS-DA	0.37	0.95	0.86	− 0.61

R2Y metric describing the percentage of Y matric explained by the model, Q2 (cumulative) metric describing the predictive ability of the model, Q2 metric representing a parameter that describes whether the OPLS-DA opls-da model is over-fitted, PCA principal component analysis, PLS-DA partial least squares-discriminant analysis, OPLS-DA orthogonal partial least squares-discriminant analysis,
^aCase 1: experimental group (Cryptosporidium baileyi-infected chickens); Con 1: mock-inoculated (with phosphate buffered saline) group

ISSN: 1756-3305