Research Article

Orthogonal Signal Correction to Improve Stability Regression Model in Gas Sensor Systems

Table 2

CV values of regression coefficient and TOTAL_RMSE along with number of PLS components.

CV
Number of variables
1234567

−0,01760,06740,13420,04790,19130,08390,0573
0,00300,24240,30320,07540,02820,013170,0130
0,00230,06140,04030,028210,1543−0,43660,3317
0,00280,04560,4243−0,22630,05030,043810,0316
0,0026−0,86052,18870,10379,10800,09930,0740
0,0019−0,0188−0,0463−0,02986−0,0257−0,011940,0111
0,0033−0,1652−0,34650,061880,3475−0,13580,0810
0,0024−0,0341−0,2107−0,0621−0,0203−0,01670,0133

TOTAL_RMSE0,44420,37250,35690,307960,25220,244280,2433