Fig. 6. Trial 2 biplots of: (A) SREG2(U/U) = shifted multiplicative model on unscaled data and unconstrained solution; (B) SREG2(U/CLS+1) = shifted multiplicative model on unscaled data and a constrained SVD solution; (C) SHMM2(U/U) = shifted multiplicative model on unscaled data and unconstrained solution.