Prediction of Vegetable Supply in Henan Province Based on PSO-GM (1, N) Model

Table 2

Correlation order of various processing methods and its judging criteria.

Processing method	Correlation order of influencing factors
① Initial value		0.4192	0.0677
② Average value		0.3573	0.0612
③ Minimization		0.3367	0.0529
④ Maximization		0.3885	0.0660
⑤ Centralization		0.0534	0.0077
⑥ Difference		0.0801	0.0100