Preprocessing Approach for Power Transformer Maintenance Data Mining Based on k-Nearest Neighbor Completion and Principal Component Analysis

Table 8

Boundary values of the broken sticks test and the Kaiser threshold.

Axes	F1	F2	F3	F4	F5	F6	F7	F8	F9
Eigenvalues	5,054	1,363	1,141	0,799	0,295	0,173	0,126	0,033	0,014
	2,828	1,828	1,328	0,995	0,745	0,545	0,379	0,236	0,111
Kaiser threshold	1,188	1,188	1,188	1,188	1,188	1,188	1,188	1,188	1,188