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. 2013 Apr 24;2013:738245. doi: 10.1155/2013/738245

Table 2.

Automatic modeling parameters for the classification of EZ and DZ.

Model Amount of components R 2 X R 2 Y Q 2 Y
PCA-X 1 0.111 0.0165
PLS-DA 1 0.0592 0.507 0.0723
OPLS 1 0.0592 0.508 0.0688

R 2 X cum and R 2 Y cum represent the cumulative sum of squares (SS) of all the X's and Y's explained by all extracted components.

Q 2 Y cum is an estimate of how well the model predicts the Y's.