Research on Consumption Prediction of Daily Necessities Based on Combination Model and Its Influence on Upgrading of Industrial Structure

Table 4

Iteration algorithm under the initialization of GBRT.

Iterations	Training information	Checkpoint
[0]	Train-RMPSE:0.1390	Eval-RMPSE:0.1403
[1]	Train-RMPSE:0.1389	Eval-RMPSE:0.1401
[2]	Train-RMPSE:0.1388	Eval-RMPSE:0.1400
[3]	Train-RMPSE:0.1387	Eval-RMPSE:0.1397
……	……	……
[300]	Train-RMPSE:0.0918	Eval-RMPSE:0.0956
[301]	Train-RMPSE:0.0914	Eval-RMPSE:0.0956
[302]	Train-RMPSE:0.0910	Eval-RMPSE:0.0948
[303]	Train-RMPSE:0.0900	Eval-RMPSE:0.0937
……	……	……
[800]	Train-RMPSE:0.0812	Eval-RMPSE:0.0869