The slide uses a hub-and-spoke diagram to show data inputs, line charts for time-series metabolic data, and a scatter plot for model validation.

Although not explicitly a 2x2 matrix, the diagram/hub-spoke shows multiple factors influencing metabolic response, which could be interpreted as a matrix-like structure.

1,100 participants, 77% accuracy stats.

Diagram showing central human figure with various data inputs radiating outwards.