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Extreme Learning Machine Based Prediction of Soil Shear Strength: A Sensitivity Analysis Using Monte Carlo Simulations and Feature Backward Elimination

Sustainability, 2020, Vol.12 (6), p.2339 [Peer Reviewed Journal]

2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 2071-1050 ;EISSN: 2071-1050 ;DOI: 10.3390/su12062339

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Title:
Extreme Learning Machine Based Prediction of Soil Shear Strength: A Sensitivity Analysis Using Monte Carlo Simulations and Feature Backward Elimination
Author: Pham, Binh Thai ; Nguyen-Thoi, Trung ; Ly, Hai-Bang ; Nguyen, Manh Duc ; Al-Ansari, Nadhir ; Tran, Van-Quan ; Le, Tien-Thinh
Subjects: Accuracy ; Algorithms ; backward elimination ; Computer simulation ; Construction ; Correlation coefficient ; Correlation coefficients ; Datasets ; extreme learning machine ; Geoteknik ; Indicators ; Laboratories ; Learning algorithms ; Modelling ; Moisture content ; monte carlo simulations ; Performance evaluation ; Plastic limit ; Power plants ; Predictions ; Roads & highways ; Root-mean-square errors ; Sensitivity analysis ; Shear strength ; Shear tests ; Soil Mechanics ; Soil moisture ; soil shear strength ; Soil strength ; Soils ; Statistical methods ; Studies ; Support vector machines ; Sustainability ; Variables ; Water content ; World problems
Is Part Of: Sustainability, 2020, Vol.12 (6), p.2339
Description: Machine Learning (ML) has been applied widely in solving a lot of real-world problems. However, this approach is very sensitive to the selection of input variables for modeling and simulation. In this study, the main objective is to analyze the sensitivity of an advanced ML method, namely the Extreme Learning Machine (ELM) algorithm under different feature selection scenarios for prediction of shear strength of soil. Feature backward elimination supported by Monte Carlo simulations was applied to evaluate the importance of factors used for the modeling. A database constructed from 538 samples collected from Long Phu 1 power plant project was used for analysis. Well-known statistical indicators, such as the correlation coefficient (R), root mean squared error (RMSE), and mean absolute error (MAE), were utilized to evaluate the performance of the ELM algorithm. In each elimination step, the majority vote based on six elimination indicators was selected to decide the variable to be excluded. A number of 30,000 simulations were conducted to find out the most relevant variables in predicting the shear strength of soil using ELM. The results show that the performance of ELM is good but very different under different combinations of input factors. The moisture content, liquid limit, and plastic limit were found as the most critical variables for the prediction of shear strength of soil using the ML model.
Publisher: Basel: MDPI AG
Language: English
Identifier: ISSN: 2071-1050
EISSN: 2071-1050
DOI: 10.3390/su12062339
Source: GFMER Free Medical Journals
SWEPUB Freely available online
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central

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Extreme Learning Machine Based Prediction of Soil Shear Strength: A Sensitivity Analysis Using Monte Carlo Simulations and Feature Backward Elimination

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