China coastal bulk (coal) freight index forecasting based on an integrated model combining arma, gm and bp model optimized by ga

HIGHLIGHTS

• who: Zhaohui Li et al. from the XWang, X have published the research: China Coastal Bulk (Coal) Freight Index Forecasting Based on an Integrated Model Combining ARMA, GM and BP Model Optimized by GA, in the Journal: Electronics 2022, 2732 of /2022/
• what: This work compares the short-term effects of the above three models CBCFI. It is considered that there is no autocorrelation in the residual sequence of the model ARMA estimation results, that is, the model construction is reasonable. Only a few prediction values of this model have relatively small errors, but the . . .
  

   

  

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