Table 2. Dataset parameters.

Dataset	m	n	d	$m\times n$
TGP	1,229,310	1815	8	$\sim 2.2\times {10}^9$
HGDP	550,303	940	10	$\sim 5.2\times {10}^8$
HO	372,446	2251	14	$\sim 8.4\times {10}^8$