Determination of Geographical Origin of Wuchang Rice with the Geographical Indicator by Multielement Analysis

Table 7

Linear discriminant analysis of elements in rice from three regions.

Region	Predicted group membership
	Wuchang	Qiqihar	Jiamusi	Total
2013
Original count (%)	28	0	0	28
	0	31	0	31
	1	2	27	30
	100	100	90	96.6
Cross-validated count (%)	27	0	1	28
	0	30	0	31
	1	2	27	30
	96.4	100	90	95.5
2014
Original count (%)	31	0	0	31
	0	28	4	32
	0	6	27	33
	100	87.5	81.8	89.6
Cross-validated count (%)	30	1	0	31
	0	28	4	32
	1	8	24	33
	96.8	87.5	72.7	85.4