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Figure 2 | BMC Systems Biology

Figure 2

From: Multi-way metamodelling facilitates insight into the complex input-output maps of nonlinear dynamic models

Figure 2

Illustration of the combined classical and inverse N-way HC-PLSR metamodelling. The inverse metamodelling was carried out first, defining the clusters to use also in the classical metamodelling. The classification of the test set observations to be predicted in the classical metamodelling was based on T ^ OutputA,Inverse , predicted from T ^ YA,NWay (see Additional file 1, eq. S12c for a definition) using second order polynomial Ordinary Least Squares (OLS) regression (called function F ^ (.)). See Additional file 1 sections S1.5-S1.7 for a more comprehensive description of this methodology, including predicting equations for test set observations. *See Additional file 1, equation S9b. **C A and C2 A were calculated by equation S12b in Additional file 1.

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