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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar CCIT (Creative Communication and Innovative Technology) Journal
Sabirin, Sahril
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Computer Science & IT Other

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Analysis of CSR Program Against Regional Inequality in Bogor Regency Using K-Means and Random Forest Algorithms Rizkiyanto, Muhamad Ardiansyah; Sabirin, Sahril; Wibowo, Arief
CCIT (Creative Communication and Innovative Technology) Journal Vol 18 No 1 (2025): CCIT JOURNAL
Publisher : Universitas Raharja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33050/ccit.v18i1.3518

Abstract

Bogor Regency is vast and has significant economic and social potential. Collaboration between businesses and local governments is essential to achieve regional development goals. Corporate Social Responsibility (CSR) plays a role in sustainable economic, enhancing the quality of life for the community. CSR can be implemented independently by companies or supported by the CSR Support Group (TF-TJSL). The Bogor Regency is divided into three development areas, the Western, Central and Eastern, with regional inequality reflected in a Williamson index of 0.731. CSR has the potential to reduce these inequalities through positive contributions. This study analyzes CSR programs on regional inequality in Bogor Regency using data mining technology with K-Means and Random Forest algorithms. The K-Means algorithm shows the optimal result with the best silhouette score at K=2 with a score of 0.76268, reflecting a clear separation between clusters representing regional inequality. The Random Forest algorithm shows excellent classification ability with an accuracy of 0.985 and other evaluations of precision, recall, and f1-score are almost perfect, which indicates its effectiveness in classifying data into three clusters according to development areas. The regression model evaluation results are also good, with a very low MSE (0.003961), indicating minimal prediction error.
PENGARUH PROJECT BASE LEARNING TERHADAP KETERAMPILAN CRITICAL THINKING AND COLLABORATION PADA PRAKTIK PEMESINAN BUBUT DI SMK NEGERI 1 CILEGON Sabirin, Sahril; Atep Iman; Moh Fawaid
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 01 (2026): Volume 11 No. 01 Maret 2026 Publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i01.41766

Abstract

Vocational learning in vocational high schools (SMK) needs to develop 21st-century skills, particularly critical thinking and collaboration skills. However, practical learning is still often teacher-oriented, so student active involvement is not yet optimal. Project-Based Learning (PjBL) is a learning approach that emphasizes student involvement through the completion of real projects. This study aims to analyze the effect of PjBL on students' critical thinking and collaboration skills in lathe machining practical learning at SMK Negeri 1 Cilegon. This study uses a quantitative approach with an ex post facto design. The research sample consisted of 72 students from the Machining Engineering program, selected through purposive sampling. Data were collected using a closed questionnaire that had been tested for validity and reliability. Data analysis was performed using simple linear regression with the help of IBM SPSS. The results showed that Project-Based Learning had a positive and significant effect on critical thinking skills with a contribution of 16% and on collaboration skills with a contribution of 27.9%. These findings confirm that PjBL is effective in improving critical thinking and collaboration skills among vocational high school students, especially in practical learning. This study provides empirical contributions to the development of vocational learning oriented towards work readiness and 21st-century skills.
Co-Authors Arief Wibowo Iman, Atep Moh Fawaid Rizkiyanto, Muhamad Ardiansyah