Table 2 Optimised descriptor hyper-parameters for different data sets

From: Machine learning hydrogen adsorption on nanoclusters through structural descriptors

Data set

SOAP

ACSF

MBTR

 

R c

R c

σ(k2)

σ(k3)

d

MoS2(single)

6.0

5.0

0.078

0.075

0.3

Au40Cu40(single)

6.0

6.0

0.078

0.075

0.3

MoS2(multi)

8.0

8.0

0.015

0.05

0.3

AuCu(multi)

8.0

10.0

0.015

0.05

0.7