Abstract

In order to improve the prediction accuracy of train passenger load factor of high-speed railway and meet the demand of different levels of passenger load factor prediction and analysis, the influence factor of the train passenger load factor is analyzed in depth. Taking into account the weather factor, train attribute, and passenger flow time sequence, this paper proposed a forecasting method of train passenger load factor of high-speed railway based on LightGBM algorithm of machine learning. Considering the difference of the influence factor of the passenger load factor of a single train and group trains, a single train passenger load factor prediction model based on the weather factor and passenger flow time sequence and a group of trains’ passenger load factor prediction model based on the weather factor, the train attribute, and passenger flow time sequence factor were constructed, respectively. Taking the train passenger load factor data of high-speed railway in a certain area as an example, the feasibility and effectiveness of the proposed method were verified and compared. It is verified that LightGBM algorithm of machine learning proposed in this paper has higher prediction accuracy than the traditional models, and its scientific and accurate prediction can provide an important reference for the calculation of passenger ticket revenue, operation benefit analysis, etc.

Highlights

  • High-speed railway has become the main transportation mode for passengers’ mode of transportation for passengers

  • High-speed railway is a significant driver of railway passenger operation revenue and passenger flow growth, and its profit and loss analysis is critical to train operation and operation decision, and the passenger load factor is used as a direct measure of train operation efficiency and a momentous basis for calculating passenger ticket revenue

  • For high-speed railway trains, consider the influence factors such as train attributes, historical weather, and passenger flow sequence, and a single train passenger load factor prediction model and a group train passenger load factor prediction model based on the LightGBM algorithm are proposed, which can provide decision-making basis for ticket revenue calculation and operation benefit analysis

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Summary

Research Article

Received 3 April 2021; Revised 9 May 2021; Accepted 2 June 2021; Published 15 June 2021. In order to improve the prediction accuracy of train passenger load factor of high-speed railway and meet the demand of different levels of passenger load factor prediction and analysis, the influence factor of the train passenger load factor is analyzed in depth. Taking into account the weather factor, train attribute, and passenger flow time sequence, this paper proposed a forecasting method of train passenger load factor of high-speed railway based on LightGBM algorithm of machine learning. It is verified that LightGBM algorithm of machine learning proposed in this paper has higher prediction accuracy than the traditional models, and its scientific and accurate prediction can provide an important reference for the calculation of passenger ticket revenue, operation benefit analysis, etc

Introduction
Spring festival and summer festival
Historical train passenger load factor data
Model testing
Test set MAE
Feature importance
Algorithm LightGBM XGBoost RandomForest
Conclusion
Full Text
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