Ground-Water Flow Model for the Spokane Valley-Rathdrum Prairie Aquifer, Spokane County, Washington, and Bonner and Kootenai Counties, Idaho

Scientific Investigations Report 2007–5044

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5044

Table 11. Regression statistics for calibrated and alternative models.

Regression statistic		Calibrated model	Alternative model
Regression statistic		Calibrated model	A	B	C	D	E
Sum of squared weighted residuals	All	1,500	1,512	1,472	1,497	1,514	1,520
	Water levels, model layer 1	590	601	590	589	598	602
	Water levels, model layer 3	74	74	47	74	74	77
	Spokane River gains and losses	682	682	681	679	688	685
	Little Spokane River gains and losses	155	155	154	155	154	156
Standard error of weighted residuals		0.901	0.905	0.893	0.900	0.905	0.896