Ratio of the mass predicted by the neural network models to the real mass enclosed within different radii of the galaxies in the test sets of NIHAO galaxy projections. Shown are the results for two subsets consisting of rotation-supported galaxies with κ > 0.5 and of dispersion-supported galaxies with κ < 0.5, and for two subsets consisting of edge-on galaxies and galaxies at an inclination of 60° degrees.