Fig. 2

Integral Betti signatures for real data correlation matrices, random matrices (RM)/Euclidean geometry (EG)/spherical geometry (SG)/hyperbolic geometry (HG)/random correlation (RC) matrices. Subfigure A shows the 3D plot of integral Betti signatures for different sample sizes/dimensionality for the real data and the simulated random geometries. Subfigures B, C and D present the 2D projections B0AUC/B1AUC, B0AUC/dimensionality and B1AUC/dimensionality, respectively.