Study on the Processing Technology of Calamine Calcination by Near-Infrared Spectroscopy

Table 2

Information of sample classification.

Set	Number of samples	Minimum (%)	Maximum (%)	Average value (%)	SD (%)
Training	73	43.43	93.43	73.84	12.36
Validation	32	49.43	93.34	72.47	13.70
Test	25	45.69	93.21	74.51	12.18