Toward a population synthesis of disks and planets - II. Confronting disk models and observations at the population level

Open Access

Table 5

Hyper parameters and performance of the surrogate models.

Age	Model	Solver	Activ.	HLS	alpha	Val. R²	Test. R²	Val. MSE	Test. MSE
	Lifetime	L-BFGS	logistic	25, 50, 45	2.592 × 10⁻³	0.99465	0.99436	0.00368	0.00389
100 kyr	Accretion	L-BFGS	tahn	15, 30, 50	1.098 × 10⁻³	0.99909	0.99829	0.00163	0.00300
	Mass	ADAM	tahn	55, 40, 65	2.659 × 10⁻³	0.96330	0.95040	0.05690	0.07677
	Radius	ADAM	tahn	60, 55, 45	1.131 × 10⁻³	0.89222	0.88045	0.04460	0.04853
2 Myr	Accretion	L-BFGS	tahn	60, 45, 70	9.407 × 10⁻³	0.99865	0.99506	0.00349	0.01297
	Mass	ADAM	tahn	65, 25, 55	1.915 × 10⁻³	0.91565	0.89798	0.25667	0.32089
	Radius	ADAM	tahn	70, 65, 35	6.901 × 10⁻³	0.85665	0.80786	0.11881	0.15925

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