rain-t: Daily Rainfall Predictive Model Using 6-Gene Genetic Expression for Historical Data-Based Forecasting
JOURNAL OF ADVANCED COMPUTATIONAL INTELLIGENCE AND INTELLIGENT INFORMATICS(2024)
摘要
Extreme weather conditions such as heavy rainfalls have been wreaking havoc not only in urban areas but also in an entire watershed. The development of a flood management plan and flood mitigating structures to alleviate the impacts of flooding is very crucial be-cause it needs intensive and continuous historical data. However, missing data due to equipment failure that gathers the rainfall data could be a problem. Rain-fall data is not only useful in designing flood mitigating structures but also in planning our day-to-day activi-ties ahead of time. To address this problem, this pa-per proposes a predictive model which able to forecast in a short lead-time and predict missing data within the dataset. In this paper, three predictive models will be compared namely recurrent neural network, Gaus-sian processing regression, and the proposed 6-gene ge-netic expression-based predictive modeling (MGGP). 29-year 24-hour cumulative rainfall data which were sourced in PAGASA Tacloban city weather station, Philippines, was used. The data were cleaned by re-moving negative values. Two datasets were created, the first (RFDS1) dataset which makes use of three in-dices (year, month, and days), and the second (RFDS2) dataset which was orchestrated and transformed to in-crease correlation and reduce prediction errors which had an additional two datasets (ave (������ -1, ������ - 2), ������ - 1). Each method used three and five time-based indices. The result shows an erratic behavior of the model from three methods that used the RFDS1, while RFDS2 had a more stable predictive model. This shows that the data orchestration and transformation greatly im-proved the correlation and reduced errors. However, MGGP showed the best results among the three meth-ods.
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关键词
computational intelligence,data orchestration and transformation,multigene genetic programming,rain-fall forecasting
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