Calibration Transfer of Soil Total Carbon and Total Nitrogen between Two Different Types of Soils Based on Visible-Near-Infrared Reflectance Spectroscopy

Table 6

Comparison of TC concentrations statistical results with and without calibration transfer.

Calibration transfer algorithm	Standard set division method	Errora (%)	Errorm (%)	RMSEP
Without algorithm	Kennard–Stone	341.97	403.70	15.737
WMPDS-S/B	Kennard–Stone	6.11	15.37	0.351
WMPDS-S/B	Proportion 1 : 2	7.17	18.16	0.453
WMPDS-S/B	Proportion 1 : 3	6.79	15.96	0.380
WMPDS-S/B	Proportion 1 : 4	6.92	16.27	0.406
WMPDS-S/B	Random 1	5.78	15.75	0.349
WMPDS-S/B	Random 2	6.25	16.54	0.384
WMPDS-S/B	Random 3	6.67	18.57	0.394
WMPDS-S/B	Random 4	6.08	19.06	0.430
WMPDS-S/B	Random 5	6.24	16.50	0.357