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Complex Network Short-Term Traffic Forecasting
Based on Lasso-NN Model |
JIANG Shizheng,XU Rong,CHEN Qimei |
(Department of Electronic Science and Engineering, Nanjing University, Nanjing 210046, China) |
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Abstract Abstract: Traditional traffic forecasting models are transforming from single section historical data processing to multi-section and multi-timing historical data processing. However, when considering the influence between each section, the fickle traffic condition tends to complicate the forecasting model. Therefore, this paper introduced the Lasso method used in multivariable linear regression and utilized its excellent ability of variable selection. It selected partial high correction sections from a complex multi-section road network. Combined with the non-linear neural network, a new LassoNN model was proposed. The result shows that the LassoNN model has an overall lower error rate. In the intersection region of the road network, the error rate is less than 9.2% and in the nonintersection region, it is less than 6.7%.
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Received: 30 September 2014
Published: 30 September 2014
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