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Table 1 Regression of the model

From: RETRACTED ARTICLE: Forecasting algorithm of tourism service trade based on PSO-optimized hybrid RVM model

Variable

Standard error

T value adjoint probability

lnUR

0.219835

0.1330

lnQTA

0.108696

0.0222

lnQL

0.055476

0.6259

lnER

0.684722

0.0000

lnGDP

0.153864

0.0000

lnWGDP

0.345067

0.0000

C

2.800841

0.0000