Table 2.

Goodness of fit statistics for candidate simplified models to data generated from the Richardson model.

Model	SSE	$R^2$	Adj. $R^2$	RMSE	k	AIC	BIC
Rushton model	$2.25\times {10}^3$	0.993	0.993	4.35	1	1.99	4.78
Linear outer diameter model	$1.07\times {10}^4$	0.965	0.965	9.48	1	1.96	4.75
Polynomial expansion (full)	29.8	0.9999	0.9998	0.52	10	20.00	47.87
Polynomial expansion (cross-terms only)	$1.43\times {10}^3$	0.995	0.995	3.49	3	6.00	14.36