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Khan S, Gao H, Milham P, Eltohamy KM, Ullah H, Mu H, Gao M, Yang X, Hamid Y, Hooda PS, Shaheen SM, Wu N. Predicting the governing factors for the release of colloidal phosphorus using machine learning. CHEMOSPHERE 2024; 362:142699. [PMID: 38944354 DOI: 10.1016/j.chemosphere.2024.142699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 06/06/2024] [Accepted: 06/23/2024] [Indexed: 07/01/2024]
Abstract
Predicting the parameters that influence colloidal phosphorus (CP) release from soils under different land uses is critical for managing the impact on water quality. Traditional modeling approaches, such as linear regression, may fail to represent the intricate relationships that exist between soil qualities and environmental influences. Therefore, in this study, we investigated the major determinants of CP release from different land use/types such as farmland, desert, forest soils, and rivers. The study utilizes the structural equation model (SEM), multiple linear regression (MLR), and three machine learning (ML) models (Random Forest (RF), Support Vector Regression (SVR), and eXtreme Gradient Boosting (XGBoost)) to predict the release of CP from different soils by using soil iron (Fe), aluminum (Al), calcium (Ca), pH, total organic carbon (TOC) and precipitation as independent variables. Results show that colloidal-cations (Fe, Al, Ca) and colloidal-TOC strongly influence CP release, while bioclimatic variables (precipitation) and pH have weaker effects. XGBoost outperforms the other models with an R2 of 0.94 and RMSE of 0.09. SHapley Additive Explanations described the outcomes since XGBoost is accurate. The relative relevance ranking indicated that colloidal TOC had the highest ranking in predicting CP. This was supported by the analysis of partial dependence plots, which showed that an increase in colloidal TOC increased soil CP release. According to our research, the SHAP XGBoost model provides significant information that can help determine the variables that considerably influence CP contents as compared to RF, SVM, and MLR.
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Affiliation(s)
- Sangar Khan
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China
| | - Huimin Gao
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China
| | - Paul Milham
- Hawkesbury Institute for the Environment, University of Western Sydney, LB 1797, Penrith, New South Wales, 2751, Australia
| | - Kamel Mohamed Eltohamy
- College of Environmental Resource Sciences, Zhejiang University, Hangzhou, 310058, China; Water Relations and Field Irrigation Department, Agricultural and Biological Research Division, National Research Centre, 12622, Cairo, Egypt
| | - Habib Ullah
- Innovation Center of Yangtze River Delta, Zhejiang University, Zhejiang, 311400, China
| | - Hongli Mu
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China
| | - Meixiang Gao
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China
| | - Xiaodong Yang
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China
| | - Yasir Hamid
- College of Environmental Resource Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Peter S Hooda
- Faculty of Engineering, Computing and the Environment, Kingston University London, UK
| | - Sabry M Shaheen
- University of Wuppertal, School of Architecture and Civil Engineering, Laboratory of Soil Groundwater Management, Pauluskirchstraße 7, 42285, Wuppertal, Germany; King Abdulaziz University, Faculty of Environmental Sciences, Department of Agriculture, 21589 Jeddah, Saudi Arabia; University of Kafrelsheikh, Faculty of Agriculture, Department of Soil and Water Sciences, 33516, Kafr El-Sheikh, Egypt
| | - Naicheng Wu
- Department of Geography and Spatial Information Techniques, Ningbo University, Ningbo, 315211, China; Donghai Institute, Ningbo University, Ningbo, 315211, China; Zhejiang Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo, 315211, China; Institute of Hydraulic and Ocean Engineering, Ningbo, 315211, China.
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Hooda S, Mondal P. Predictive modeling of plastic pyrolysis process for the evaluation of activation energy: Explainable artificial intelligence based comprehensive insights. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 360:121189. [PMID: 38759553 DOI: 10.1016/j.jenvman.2024.121189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/30/2024] [Accepted: 05/13/2024] [Indexed: 05/19/2024]
Abstract
Pyrolysis, a thermochemical conversion approach of transforming plastic waste to energy has tremendous potential to manage the exponentially increasing plastic waste. However, understanding the process kinetics is fundamental to engineering a sustainable process. Conventional analysis techniques do not provide insights into the influence of characteristics of feedstock on the process kinetics. Present study exemplifies the efficacy of using machine learning for predictive modeling of pyrolysis of waste plastics to understand the complexities of the interrelations of predictor variables and their influence on activation energy. The activation energy for pyrolysis of waste plastics was evaluated using machine learning models namely Random Forest, XGBoost, CatBoost, and AdaBoost regression models. Feature selection based on the multicollinearity of data and hyperparameter tuning of the models utilizing RandomizedSearchCV was conducted. Random forest model outperformed the other models with coefficient of determination (R2) value of 0.941, root mean square error (RMSE) value of 14.69 and mean absolute error (MAE) value of 8.66 for the testing dataset. The explainable artificial intelligence-based feature importance plot and the summary plot of the shapely additive explanations projected fixed carbon content, ash content, conversion value, and carbon content as significant parameters of the model in the order; fixed carbon > carbon > ash content > degree of conversion. Present study highlighted the potential of machine learning as a powerful tool to understand the influence of the characteristics of plastic waste and the degree of conversion on the activation energy of a process that is essential for designing the large-scale operations and future scale-up of the process.
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Affiliation(s)
- Sanjeevani Hooda
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India
| | - Prasenjit Mondal
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, Uttarakhand, 247667, India.
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Li R, Yan C, Meng Q, Yue Y, Jiang W, Yang L, Zhu Y, Xue L, Gao S, Liu W, Chen T, Meng J. Key toxic components and sources affecting oxidative potential of atmospheric particulate matter using interpretable machine learning: Insights from fog episodes. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133175. [PMID: 38086305 DOI: 10.1016/j.jhazmat.2023.133175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/07/2023] [Accepted: 12/02/2023] [Indexed: 02/08/2024]
Abstract
Fog significantly affects the air quality and human health. To investigate the health effects and mechanisms of atmospheric fine particulate matter (PM2.5) during fog episodes, PM2.5 samples were collected from the coastal suburb of Qingdao during different seasons from 2021 to 2022, with the major chemical composition in PM2.5 analyzed. The oxidative potential (OP) of PM2.5 was determined using the dithiothreitol (DTT) method. A positive matrix factorization model was adopted for PM2.5. Interpretable machine learning (IML) was used to reveal and quantify the key components and sources affecting OP. PM2.5 exhibited higher oxidative toxicity during fog episodes. Water-soluble organic carbon (WSOC), NH4+, K+, and water-soluble Fe positively affected the enhancement of DTTV (volume-based DTT activity) during fog episodes. The IML analysis demonstrated that WSOC and K+ contributed significantly to DTTV, with values of 0.31 ± 0.34 and 0.27 ± 0.22 nmol min-1 m-3, respectively. Regarding the sources, coal combustion and biomass burning contributed significantly to DTTV (0.40 ± 0.38 and 0.39 ± 0.36 nmol min-1 m-3, respectively), indicating the significant influence of combustion-related sources on OP. This study provides new insights into the effects of PM2.5 compositions and sources on OP by applying IML models.
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Affiliation(s)
- Ruiyu Li
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Caiqing Yan
- Environment Research Institute, Shandong University, Qingdao 266237, China.
| | - Qingpeng Meng
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Yang Yue
- School of Environmental Science and Engineering, Shandong University, Qingdao 266237, China
| | - Wei Jiang
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Lingxiao Yang
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Yujiao Zhu
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Likun Xue
- Environment Research Institute, Shandong University, Qingdao 266237, China
| | - Shaopeng Gao
- Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Weijian Liu
- College of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
| | - Tianxing Chen
- College of Engineering, University of Washington, 1410 NE Campus Pkwy, Seattle, WA 98195, USA
| | - Jingjing Meng
- College of Environment and Planning, Liaocheng University, Liaocheng 252000, China
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Ghaheri P, Nasiri H, Shateri A, Homafar A. Diagnosis of Parkinson's disease based on voice signals using SHAP and hard voting ensemble method. Comput Methods Biomech Biomed Engin 2023:1-17. [PMID: 37771234 DOI: 10.1080/10255842.2023.2263125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 09/17/2023] [Indexed: 09/30/2023]
Abstract
Parkinson's disease (PD) is the second most common progressive neurological condition after Alzheimer's. The significant number of individuals afflicted with this illness makes it essential to develop a method to diagnose the conditions in their early phases. PD is typically identified from motor symptoms or via other Neuroimaging techniques. Expensive, time-consuming, and unavailable to the general public, these methods are not very accurate. Another issue to be addressed is the black-box nature of machine learning methods that needs interpretation. These issues encourage us to develop a novel technique using Shapley additive explanations (SHAP) and Hard Voting Ensemble Method based on voice signals to diagnose PD more accurately. Another purpose of this study is to interpret the output of the model and determine the most important features in diagnosing PD. The present article uses Pearson Correlation Coefficients to understand the relationship between input features and the output. Input features with high correlation are selected and then classified by the Extreme Gradient Boosting, Light Gradient Boosting Machine, Gradient Boosting, and Bagging. Moreover, the weights in Hard Voting Ensemble Method are determined based on the performance of the mentioned classifiers. At the final stage, it uses SHAP to determine the most important features in PD diagnosis. The effectiveness of the proposed method is validated using 'Parkinson Dataset with Replicated Acoustic Features' from the UCI machine learning repository. It has achieved an accuracy of 85.42%. The findings demonstrate that the proposed method outperformed state-of-the-art approaches and can assist physicians in diagnosing Parkinson's cases.
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Affiliation(s)
- Paria Ghaheri
- Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
| | - Hamid Nasiri
- Department of Computer Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Ahmadreza Shateri
- Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
| | - Arman Homafar
- Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
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Farzipour A, Elmi R, Nasiri H. Detection of Monkeypox Cases Based on Symptoms Using XGBoost and Shapley Additive Explanations Methods. Diagnostics (Basel) 2023; 13:2391. [PMID: 37510135 PMCID: PMC10378557 DOI: 10.3390/diagnostics13142391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/03/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
The monkeypox virus poses a novel public health risk that might quickly escalate into a worldwide epidemic. Machine learning (ML) has recently shown much promise in diagnosing diseases like cancer, finding tumor cells, and finding COVID-19 patients. In this study, we have created a dataset based on the data both collected and published by Global Health and used by the World Health Organization (WHO). Being entirely textual, this dataset shows the relationship between the symptoms and the monkeypox disease. The data have been analyzed, using gradient boosting methods such as Extreme Gradient Boosting (XGBoost), CatBoost, and LightGBM along with other standard machine learning methods such as Support Vector Machine (SVM) and Random Forest. All these methods have been compared. The research aims to provide an ML model based on symptoms for the diagnosis of monkeypox. Previous studies have only examined disease diagnosis using images. The best performance has belonged to XGBoost, with an accuracy of 1.0 in reviews. To check the model's flexibility, k-fold cross-validation is used, reaching an average accuracy of 0.9 in 5 different splits of the test set. In addition, Shapley Additive Explanations (SHAP) helps in examining and explaining the output of the XGBoost model.
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Affiliation(s)
- Alireza Farzipour
- Department of Computer Science, Semnan University, Semnan 35131-19111, Iran
| | - Roya Elmi
- Farzanegan Campus, Semnan University, Semnan 35197-34851, Iran
| | - Hamid Nasiri
- Department of Computer Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran 15916-34311, Iran
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A Review on Pollution Treatment in Cement Industrial Areas: From Prevention Techniques to Python-Based Monitoring and Controlling Models. Processes (Basel) 2022. [DOI: 10.3390/pr10122682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Anthropogenic climate change, global warming, environmental pollution, and fossil fuel depletion have been identified as critical current scenarios and future challenges. Cement plants are one of the most impressive zones, emitting 15% of the worldwide contaminations into the environment among various industries. These contaminants adversely affect human well-being, flora, and fauna. Meanwhile, the use of cement-based substances in various fields, such as civil engineering, medical applications, etc., is inevitable due to the continuous increment of population and urbanization. To cope with this challenge, numerous filtering methods, recycling techniques, and modeling approaches have been introduced. Among the various statistical, mathematical, and computational modeling solutions, Python has received tremendous attention because of the benefit of smart libraries, heterogeneous data integration, and meta-models. The Python-based models are able to optimize the raw material contents and monitor the released pollutants in cement complex outputs with intelligent predictions. Correspondingly, this paper aims to summarize the performed studies to illuminate the resultant emissions from the cement complexes, their treatment methods, and the crucial role of Python modeling toward the high-efficient production of cement via a green and eco-friendly procedure. This comprehensive review sheds light on applying smart modeling techniques rather than experimental analysis for fundamental and applied research and developing future opportunities.
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Fatahi R, Nasiri H, Homafar A, Khosravi R, Siavoshi H, Chehreh Chelgani S. Modeling operational cement rotary kiln variables with explainable artificial intelligence methods – a “conscious lab” development. PARTICULATE SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1080/02726351.2022.2135470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Rasoul Fatahi
- School of Mining Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Hamid Nasiri
- Department of Computer Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Arman Homafar
- Electrical and Computer Engineering Department, Semnan University, Semnan, Iran
| | - Rasoul Khosravi
- Department of Mining, Faculty of Engineering, Lorestan University, Khorramabad, Iran
| | - Hossein Siavoshi
- Department of Mining and Geological Engineering, University of Arizona, Tucson, USA
| | - Saeed Chehreh Chelgani
- Minerals and Metallurgical Engineering, Department of Civil, Environmental and Natural Resources Engineering, Luleå University of Technology, Sweden
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