Abstract
Accuracy and speed are crucial in the machine learning forecasting. Specifically, when encountering high variance segments like sequence forecasting case. For example, air quality data has various time-series variables such as temperature, CO, rainfall, wind speed, O3, SO2, and many more. To predict such as the PM2.5 which based on various parameters needs state of the art methods on a combination of forecasting models and machine learning methods. The Long Short Term Memory Networks (LSTM) autoencoders are capable of handling with a sequence of input. In this case, the predictive modeling problems involving sequence to sequence prediction problems called seq2seq network. In this paper, a sequence forecasting model is proposed for the air quality in Taichung City Taiwan, that is consist of five areas, Xitun, Chungming, Fengyuan, Dali, and Shalu. Statistic correlation analysis was implemented to find better accuracy and speed. A comparison of before and after using statistic correlation analysis in the LSTM seq2seq modeling is provided to examine the accuracy, speed, and variance score.
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Acknowledgements
This work was funded by the Ministry of Science and Technology (MOST), Taiwan, under grant number 108-2119-M-029-001-A.
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Kristiani, E., Yang, CT., Huang, CY., Lin, JR., Nguyen, K.L.P. (2020). PM2.5 Forecasting Using LSTM Sequence to Sequence Model in Taichung City. In: Kim, K., Kim, HY. (eds) Information Science and Applications. Lecture Notes in Electrical Engineering, vol 621. Springer, Singapore. https://doi.org/10.1007/978-981-15-1465-4_49
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DOI: https://doi.org/10.1007/978-981-15-1465-4_49
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