Figure 4.

Cell concentration prediction models: (a) Tisochrysis lutea data for training (n = 28), and Phaeodactylum tricornutum data for validation (n = 48); (b) P. tricornutum data for training, and T. lutea data for validation; (c) combined data of T. lutea and P. tricornutum, random 75% for training (n = 57) and 25% for validation (n = 19; one of four partitions of training/validation datasets). Training (●, red) and validation (▲, blue) data in log₁₀ g L⁻¹ [Color figure can be viewed at wileyonlinelibrary.com]