Rainfall Prediction Using an Ensemble Machine Learning Model Based on K-Stars

Goksu Tuysuzoglu, Kokten Ulas Birant and Derya Birant ()
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Goksu Tuysuzoglu: Department of Computer Engineering, Dokuz Eylul University, Izmir 35390, Turkey
Kokten Ulas Birant: Department of Computer Engineering, Dokuz Eylul University, Izmir 35390, Turkey
Derya Birant: Department of Computer Engineering, Dokuz Eylul University, Izmir 35390, Turkey

Sustainability, 2023, vol. 15, issue 7, 1-24

Abstract: Predicting the rainfall status of a region has a great impact on certain factors, such as arranging agricultural activities, enabling efficient water planning, and taking precautionary measures for possible disasters (flood/drought). Due to the seriousness of the subject, the timely and accurate prediction of rainfall is highly desirable and critical for environmentally sustainable development. In this study, an ensemble of K-stars (EK-stars) approach was proposed to predict the next-day rainfall status using meteorological data, such as the temperature, humidity, pressure, and sunshine, that were collected between the years 2007 and 2017 in Australia. This study also introduced the probability-based aggregating (pagging) approach when building and combining multiple classifiers for rainfall prediction. In the implementation of the EK-stars, different experimental setups were carried out, including the change of input parameter of the algorithm, the use of different methods in the pagging step, and whether the feature selection was performed or not. The EK-stars outperformed the original K-star algorithm and the recently proposed studies in terms of the classification accuracy by making predictions that were the closest to reality. This study shows that the proposed method is promising for generating accurate predictions for the sustainable development of environmental systems.

Keywords: rainfall prediction; machine learning; K-star classifier; classification; ensemble learning (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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