Table 1:

A summary of the NF model architectures used for probability density and manifold estimation.

NF Model	Architecture
Probability Density
Independent Gaussian	Scaling ↦ Translation
Gaussian	Scaling ↦ Rotation ↦ Translation
Non-Gaussian	Scaling ↦ Affine Coupling (×3)↦ Translation
Manifold
Linear	Rotation ↦ Translation
Non-Linear	Affine Coupling (×3)↦ Translation