2022
DOI: 10.13189/eer.2022.100504
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Trend Analysis on Water Quality Index Using the Least Squares Regression Models

Abstract: River water pollution requires continuous water quality monitoring that promotes the improvement of water resources. Therefore, the trend analysis on water quality data using mathematical model is an important task to determine whether the measured data increase or decrease during the time period. This paper is intended to highlight the applicability of the least squares regression models to fit the WQI data of the Skudai River, Tebrau River and Segget River located in Johor, Malaysia. As per the 12 years of t… Show more

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“…The author uses the regression method to model local rainfall based on climate change and ENSO variables. The general formula for regression [11] is as…”
Section: Modellingmentioning
confidence: 99%
“…The author uses the regression method to model local rainfall based on climate change and ENSO variables. The general formula for regression [11] is as…”
Section: Modellingmentioning
confidence: 99%
“…Usually, selecting a suitable numerical model to solve a practical water quality problem is a highly specialised task, requiring detailed knowledge on the application and limitation of models [7]. Therefore, evaluating the surface-water quality and the associated hydrochemical characteristics is essential for managing water resources in arid and semi-arid environments [15]. DISCUSSIONS In employing a basic polynomial regression method for our water quality predictive modeling, we acknowledge its sim-plicity and effectiveness using the available dataset.…”
Section: Introductionmentioning
confidence: 99%