Identification of ancient glass categories based on distance discriminant analysis

Heritage Science

Table 5 Table of statistics in Regression process

Model		Unstandardized Coefficient		Standard Coefficient	t	Sig
Model		B	Standard error	trial version	t	Sig
1	(Constant)	0.307	0.058		5.313	0.000
1	\(PbO\)	0.017	0.002	0.757	9.341	0.000
2	(Constant)	0.532	0.064		8.289	0.000
	\(PbO\)	0.012	0.002	0.521	6.428	0.000
	\({K}_{2}O\)	− 0.050	0.009	− 0.433	− 5.342	0.000
3	(Constant)	0.616	0.053		11.600	0.000
	\(PbO\)	0.016	0.002	0.694	9.812	0.000
	\({K}_{2}O\)	− 0.057	0.008	− 0.499	− 7.597	0.000
	Weathering	− 0.351	0.058	− 0.396	− 6.093	0.000
4	(Constant)	1.329	0.137		9.668	0.000
	\(PbO\)	0.006	0.002	0.243	2.399	0.019
	\({K}_{2}O\)	− 0.069	0.007	− 0.599	− 10.440	0.000
	Weathering	− 0.363	0.048	− 0.409	− 7.609	0.000
	\({SiO}_{2}\)	− 0.009	0.002	− 0.481	− 5.472	0.000