2018
DOI: 10.3390/w10040419
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A Comparative Assessment of Variable Selection Methods in Urban Water Demand Forecasting

Abstract: Urban water demand is influenced by a variety of factors such as climate change, population growth, socioeconomic conditions and policy issues. These variables are often correlated with each other, which may create a problem in building appropriate water demand forecasting model. Therefore, selection of the appropriate predictor variables is important for accurate prediction of future water demand. In this study, seven variable selection methods in the context of multiple linear regression analysis were examin… Show more

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Cited by 40 publications
(24 citation statements)
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“…Several methods are available to identify appropriate combinations of predictor variables (indicators) for the regression models, such as forward selection, stepwise selection, backward elimination, and principle component analysis (Haque et al., 2018). This study uses a simplified forward selection process, iteratively increasing the number of predictor variables in the model.…”
Section: Methodsmentioning
confidence: 99%
“…Several methods are available to identify appropriate combinations of predictor variables (indicators) for the regression models, such as forward selection, stepwise selection, backward elimination, and principle component analysis (Haque et al., 2018). This study uses a simplified forward selection process, iteratively increasing the number of predictor variables in the model.…”
Section: Methodsmentioning
confidence: 99%
“…The research progressed in three main stages: 1. determining explanatory variables, 2. building the models, 3. forecasting, and evaluating the models. A set of explanatory variables was determined using Principal Component Analysis (PCA) based on the procedure presented by M. M. Haque et al [7]. To determine the explanatory variables, data from 2011-2016 were used.…”
Section: Fig 1 Location Of Research Objects 3 Materials and Methodsmentioning
confidence: 99%
“…According to the procedure presented by M. M. Haque et al [7], the set of explanatory variables was determined based on the following parameters: -selecting the variables with the highest correlation coefficients for a given component (variable loadings).…”
Section: Fig 1 Location Of Research Objects 3 Materials and Methodsmentioning
confidence: 99%
“…where p is the probability of an event (Y=1), βi is the estimated coefficient and Xi is the explanatory variables ( i=1,2,…,k ). According to Haque et al (2018), there are four types of model selection in logistic regression which are known as Enter, Stepwise, Forward and Backward.…”
Section: Logistic Regressionmentioning
confidence: 99%