Table 4.

Performance of the ML model in terms of distribution-wide metrics.

	Method
Metric	ML prediction	Direct fitting
JSD axon diameter	0.24 $\pm$ 0.25	0.18 $\pm$ 0.01
KLD axon diameter	1.42 $\pm$ 1.53	0.63 $\pm$ 0.12
JSD g-ratio	0.23 $\pm$ 0.23	0.18 $\pm$ 0.01
KLD g-ratio	1.32 $\pm$ 1.38	0.80 $\pm$ 0.06

A comparison to a direct fitting of a gamma distribution to the EM samples is included for reference.