Table T2. Carbonate prediction model statistics.

Table T2. Carbonate prediction model statistics.


Site/Hole	Root mean squared error	R²	Coefficient of variation	Reflectance N	Carbonate N	Variables N	Model variables	Data source
1119C	0.36437	0.9714	-17.52781	2922	74	30	all 30 fdv	Lab
1120	0.19376	0.6609	6.78812	12184	73	5	r1, fd2, fd7, fd21, fd27	Ship
1121	0.48677	0.9606	-24.46203	3602	33	5	r1, fd4, fd7, fd21, fd30	Ship
1122	0.97357	0.4473	-41.56004	20967	236	31	r1, fd1-fd30	Ship
1123	0.45273	0.2895	157.96569	41844	912	31	r1, fd1-fd30	Ship
1123A	0.43911	0.6097	151.1393	833	280	30	all 30 fdv	Lab
1123A	0.49232	0.2191	212.54304	1868	337	30	all 30 fdv	Ship
1124	0.79314	0.6592	-94.62303	27721	374	30	all 30 fdv	Ship
1125	0.20555	0.8166	50.9898	23412	144	30	all 30 fdv	Ship

Notes: N = number of samples with measured reflectance, number of samples with measured carbonate (total), and number of variables used to construct models. fd = first derivative value for the interval 400-410 nm, fdv = first derivative value, r1 = reflectance measurement for 400 nm.