Table 9.

Regression equations to estimate DE and ME in defatted rice brans (Exp. 1)

		Statistics1
Number	Regression equation	R 2	C(p)	RMSE	AIC	BIC
1	DE = 311.10 + (60.11 × % starch)	0.80	5.61	183.24	95.53	96.88
2	DE = 416.57 + (53.10 × % starch) + (125.18 × % EE)	0.93	0.75	117.68	88.17	94.65
3	DE = 4,041 – (48.85 × % NDF)	0.83	6.12	166.23	93.78	94.94
4	DE = 3,750 – (42.96 × % NDF) + (92.32 × % EE)	0.90	3.78	140.18	91.32	95.08
5	DE = 10,811 – (50.69 × % NDF) + (148.04 × % EE) – (1.64 × GE)	0.94	2.98	117.7	88.54	97.44
6	ME = 258.27 + (57.16 × % starch)	0.82	15.53	161.71	93.28	92.41
7	ME = 342.31 + (51.57 × % starch) + (99.75× % EE)	0.92	6.71	120.13	88.55	90.10
8	ME = 3,787 – (45.80 × % NDF)	0.83	6.22	155.54	92.58	93.71
9	ME = 2,669 – (56.95 × % NDF) + (125.73× % ash)	0.91	3.17	124.56	89.20	93.53
10	ATTD of GE = 0.89 – (0.0033 × % NDF)	0.84	17.84	0.011	–79.76	–80.92
11	ATTD of GE = 0.87 – (0.0029 × % NDF) + (0.0057 × % EE)	0.90	11.65	0.0094	–80.76	–82.37
12	ATTD of GE = 1.43 – (0.0035 × % NDF) + (0.010 × % EE) – (0.00013 × GE)	0.96	5.32	0.0067	–87.33	–82.30
13	ATTD of GE = 0.64 + (0. 0041 × % starch)	0.82	10.16	0.012	–78.58	–79.47
14	ATTD of GE = 0.64 + (0. 0037 × % starch) + (0. 0080 × % EE)	0.94	2.16	0.0073	–86.28	–82.74
15	ATTD of GE = 1.18 + (0. 0041 × % starch)+ (0. 014 × % EE) – (0. 032 × GE)	0.97	2.56	0.0057	–90.40	–80.84

Regression equations are developed by stepwise regression analyses, P < 0.01 of all equations.

¹RMSE = root-mean-square error; AIC = Akaike information criterion; BIC = Bayesian information criterion; C(p) = the Mallows statistic.