Table 5. Average imputation accuracy of validation data sets

Density	No. Ref	Val 1	Val 2	Val 3	Val 4	Average	SD
5k	500	0.796	0.789	0.797	0.792	0.793	0.004
	1,000	0.862	0.938	0.862	0.861	0.881	0.038
	1,500	0.886	0.883	0.888	0.886	0.886	0.002
	2,000	0.899	0.897	0.902	0.9	0.9	0.002
	2,000+	0.929	0.926	0.931	0.929	0.929	0.002
10k	500	0.864	0.859	0.864	0.861	0.862	0.002
	1,000	0.909	0.907	0.911	0.91	0.909	0.002
	1,500	0.927	0.924	0.928	0.927	0.926	0.001
	2,000	0.936	0.934	0.938	0.937	0.936	0.002
	2,000+	0.955	0.953	0.956	0.955	0.955	0.001
15k	500	0.907	0.904	0.908	0.906	0.906	0.002
	1,000	0.938	0.936	0.939	0.938	0.937	0.001
	1,500	0.949	0.948	0.951	0.95	0.949	0.001
	2,000	0.955	0.954	0.957	0.956	0.956	0.001
	2,000+	0.969	0.967	0.969	0.969	0.969	0.001

Ref, reference Val, validation.