Table 4. Parameter estimates for three taper equations in Quercus acuta.

Model	Max and Burkhart			Kozak			Lee
		Estimate	S.E.		Estimate	S.E.		Estimate	S.E.
Parameters	a1	0.6594	0.0382	a0	1.0744	0.0237	b1	1.5453	0.0181
	a2	0.0919	0.0302	a1	0.9756	0.0112	b2	0.8899	0.0040
	b1	−3.3047	0.1833	a2	0.9958	0.0005	c1	0.7607	0.1245
	b2	1.5770	0.1027	b1	1.0632	0.1675	c2	−0.9747	0.1606
	b3	−1.2926	0.1220	b2	−0.2155	0.0389	c3	1.0789	0.0534
	b4	26.2685	19.6839	b3	1.9649	0.3850	-	-
	-	-		b4	−0.9399	0.2049	-	-
	-	-		b5	0.1848	0.0056	-	-
FI	0.9306			0.9583			0.9412
Bias	0.3557			0.0352			0.1001
SEE	1.4744			1.1439			1.3577
MAD	0.8514			0.6751			0.8128