Modified Grey Model for Estimating Traffic Tunnel Air Quality

This study compared three forecasting models based on the mean absolute percentage errors (MAPE) of their accuracy in forecasting air pollution in a traffic tunnel: the Grey model (GM), the combination model used four sample point and five sample point prediction with GM (1,1)(GM(1,1)⁴ ⁺ ⁵), and the...

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Veröffentlicht in:	Environmental monitoring and assessment 2007-09, Vol.132 (1-3), p.351-364
Hauptverfasser:	Lee, Cheng-Chung, Wan, Terng-Jou, Kuo, Chao-Yin, Chung, Chung-Yi
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Air - standards Air pollution Air Pollution - analysis Air pollution forecasting Air quality Applied sciences Atmospheric pollution Carbon monoxide Environmental engineering Environmental monitoring Exact sciences and technology Forecasting Grey Model (GM(1,1)⁴⁻⁺⁻⁵) Hydrocarbons Mathematical models Models, Theoretical Modified Grey Model (MGM) Neural networks Ordinary Least Squares (OLS) Outdoor air quality Pollutants Pollution Pollution sources. Measurement results Science Studies Time series Traffic engineering Traffic flow Traffic tunnel Transports Tunnels Tunnels (transportation) Vehicle Emissions Ventilation Wind
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