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All Journal JOURNAL OF APPLIED INFORMATICS AND COMPUTING Journal of Humanities and Social Studies
Muhammad Akrom
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Religion Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Economics, Econometrics & Finance Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Polynomial Integrated PLS Regression for Predicting Corrosion Inhibition Efficiency of Ionic Liquids Petrus Praditya Aswangga; Muhammad Akrom
Journal of Applied Informatics and Computing Vol. 9 No. 4 (2025): August 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v9i4.10158

Abstract

Corrosion degrades and weakens metal surfaces, leading to structural failure and significant safety hazards across various sectors. Data driven machine learning offers a rapid, cost-effective alternative to the expensive and time consuming traditional experimental methods by predicting inhibitor performance computationally. This study addresses the challenge of accurately predicting corrosion inhibition efficiency (CIE) of ionic liquid compounds. Integration of a polynomial function, especially in higher degrees, inevitably grows the dimensionality and escalates multicollinearity, but it captures deeper nonlinear interactions that the original variables alone would miss. To counterbalance this curse of dimensionality, Partial Least Squares (PLS) Regression was applied after polynomial integration to project the high-dimensional variables into a smaller set of predictors. Besides PLS, Gradient Boosting Regressor (GBR) and Support Vector Regressor (SVR) models were also developed to establish baseline performance. Although these polynomial integrated models outperformed their baseline version, the Polynomial Integrated PLS outperformed their predictive performance, yielding R2, RMSE, and MAPE of 0.73, 4.730, and 3.73%, respectively. The result of this study highlights that the integration of a polynomial function can improve the predictive performance of PLS for corrosion inhibitors.
THE PRINCIPAL'S LEADERSHIP STYLE IN IMPROVING THE SPIRITUAL AND INTELLECTUALITY OF STUDENTS AT AN-NAHDLIYAH PANGURAGAN KULON VOCATIONAL SCHOOL, CIREBON Muhammad Akrom
JOURNAL OF HUMANITIES AND SOCIAL STUDIES Vol. 2 No. 02 (2024): MAY 2024
Publisher : Media Inovasi Pendidikan dan Publikasi

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Abstract

Leadership as part of the management function is very important to achieve organizational goals. A leader is essentially someone who can influence the behavior of other people in their work by using power. The principal is the leader of the educational unit. The success of a school principal's leadership is based on one theory or model of leadership. In educational institutions, the principal holds power. The principal in carrying out his duties influences his subordinates through an approach or style that can have direct contact with students in upgrading their spiritual and intellectual intelligence. Therefore, this research is motivated by how the school principal's leadership style improves these two aspects of intelligence in students at An-Nahdliyah Panguragan Vocational School, Cirebon, so that students can apply and implement the instructions of the school principal and his subordinates. The writing method in this research is classified as qualitative research. Determining the selected informants using purposive techniques. Data collection was carried out using in-depth interview techniques, observation, and documentary studies. The data analysis process includes 3 things, namely data reduction, data presentation, and conclusion. The results of this research show that the principle of An-Nahdliyah Vocational School uses a charismatic style in improving the spirituality of students, while in improving students' intellectual development he uses an autocratic style. The charismatic style encourages students to be more moral and ethical in the social and religious spirit (religious) while the autocratic style makes students active in discipline, interactive in knowledge, and able to compete in work.
Co-Authors Petrus Praditya Aswangga