Soil Classification Based on Deep Learning Algorithm and Visible Near-Infrared Spectroscopy

Table 8

The calibration set samples in different proportions by random method.

Proportion of calibration set	Type 1 orchards	Type 2 woodlands	Type 3 tea plantations	Type 4 farmlands	Type 5 bare lands	Type 6 grasslands	Total
1/3	9/26	29/86	4/13	24/73	4/13	20/60	90
1/4	7/26	22/86	3/13	18/73	3/13	15/60	68
1/5	5/26	17/86	3/13	15/73	3/13	13/60	56