Tracking Nonlinear Correlation for Complex Dynamic Systems Using a Windowed Error Reduction Ratio Method

Table 3

PESR values for different numbers of selected model terms against different values of . The final number of model term is chosen when the PESR reaches the first valley (highlighted by bold font).

Number of terms
	2	3	4	5	6	7	8
1	0.08319	0.08670	0.09042	0.09440	0.09864	0.10318	0.10803
2	0.02305	0.02515	0.02754	0.03029	0.03348	0.03719	0.04157
3	0.01603	0.01840	0.02134	0.02505	0.02981	0.03607	0.04453
4	0.01533	0.01864	0.02314	0.02950	0.03889	0.05360	0.07854
5	0.01634	0.02120	0.02859	0.04064	0.06230	0.10731	0.22704
6	0.01762	0.02461	0.03676	0.06077	0.11911	0.33086	2.97778
WERR	0.99340	0.99084	0.99084	0.99084	0.99084	0.99084	0.09830