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Development Prediction Model to Optimize Cooperative Loans Based on Machine Learning Algorithms Himawan, Hidayatulloh; Pinandita, Tito; Ridwan, Rizky; Aziz, Hilmi
Innovation in Research of Informatics (Innovatics) Vol 6, No 1 (2024): March 2024
Publisher : Department of Informatics, Siliwangi University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/innovatics.v6i1.10677

Abstract

Default on loans by borrowers to the cooperative to optimize the cooperative's business performance. In this research, a default prediction model was developed using several quite popular machine learning algorithms, namely decision tree, K-NN, logistic regression, and random forest, then all models with each of these algorithms were compared and evaluated. to find out which algorithm model is the most effective and accurate in predicting loan defaults in cooperatives. Model evaluation is carried out using metrics such as accuracy, precision, recall, and f1-score. The dataset used in this research was obtained from the loan list at one of the Savings and Loans Cooperatives in Tasikmalaya Regency, the contents of which include attributes such as borrower profile, loan amount, number of installments, and others. This dataset is divided into training data and test data to train and evaluate the model. These machine learning algorithms were chosen because they are quite well known among other algorithms for prediction and have been proven in several financial studies. The results of this prediction model can be used by cooperatives to support decisions in providing appropriate loans.
The Da'wah Strategy of the Prosperous Justice Party in Instilling Islamic Political Values in South Jakarta Aziz, Hilmi; Nisa, Pia Khoirotun
Syiar: Jurnal Komunikasi dan Penyiaran Islam Vol. 5 No. 1 (2025): Syiar: Jurnal Komunikasi dan Penyiaran Islam
Publisher : STAI Publisistik Thawalib Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54150/syiar.v5i1.723

Abstract

The practices of money politics, identity misuse, and political apathy reflect deviations from Islamic political values. Therefore, the Prosperous Justice Party implements a da'wah strategy in South Jakarta. This study aims to analyze the da'wah strategy of the Prosperous Justice Party in instilling Islamic political values and to identify the supporting and inhibiting factors in South Jakarta. This research uses a case study method with interviews, observation, and documentation to collect data. Data processing involves condensation, data presentation, and conclusion drawing, followed by triangulation and confirmability to ensure data validity. Findings: The da'wah strategy of the Prosperous Justice Party is implemented through free health check-up services, the sale of low-cost necessities, and the building of relationships with religious leaders, organizations, and Islamic institutions. Meanwhile, the Member Development Unit demonstrates a rational da'wah strategy through a structured, focused cadre system and learning process. Inhibiting factors of the da'wah strategy include limited operational funds, a community that tends to be pragmatic and opportunistic, and the spread of false information. Supporting factors include the ownership of their building, the active role of the Member Development Unit, and support from religious leaders, organizations, and Islamic institutions. Conclusion: The da'wah conducted by the Prosperous Justice Party employs sentimental, rational, and sensory strategies through social programs and institutional relations to instill Islamic political values in society.
Perbandingan Algoritma Machine Learning Untuk Prediksi Gagal Bayar Pinjaman Koperasi yang Optimal Aziz, Hilmi; Rianto, Rianto
FORMAT Vol 13, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/format.2024.v13.i2.001

Abstract

Abstract - Predicting loan repayment defaults is quite an important thing to do in a financial institution such as a Savings and Loans Cooperative. The aim is to minimize the occurrence of loan defaults by borrowers to cooperatives so that bankruptcy does not occur. In this study, the development of a predictive model was carried out using several popular machine learning algorithms, namely logistic regression, decision tree, random forest and k-nearest neighbors (KNN), then the four models were compared and evaluated in order to find out which model with the most effective algorithm. in predicting loan defaults in cooperatives. Program evaluation is carried out by metrics such as accuracy, precision, recall, and f1-score. The dataset itself is obtained from a loan list which includes attributes such as borrower profile, loan amount, number of installments, etc. This dataset is divided into training data and test data to train and evaluate the model. The results showed that the Random Forest algorithm model provided the best accuracy, reaching 89%, followed by the Decision Tree with the highest accuracy value, which reached 84%, and finally Logistic Regression and K-Nearest Neighbors with the same accuracy value, namely 81%. These four algorithms were chosen because they are well-known algorithms among other algorithms for financial predictions because of their ability to understand complex relationships, provide interpretable results, overcome overfitting problems, and consider the interrelationships between similar entities. Abstrak – Melakukan prediksi kegagalan pembayaran pinjaman merupakan hal yang cukup penting untuk dilakukan di sebuah badan keuangan seperti Koperasi Simpan Pinjam. Tujuannya yaitu untuk meminimalisir terjadinya gagal bayar pinjaman oleh peminjam kepada Koperasi agar tidak terjadi bangkrut. Pada penelitian ini dilakukan pengembangan model prediksi dengan menggunakan beberapa algoritma machine learning yang cukup popular yaitu  logistic regression, decision tree, random forest dan k-nearest neighbors (KNN), kemudian keempat model tersebut dibandingkan dan dievaluasi agar diketahui model dengan algoritma mana yang paling efektif dalam memprediksi gagal bayar pinjaman di Koperasi. Evaluasi program dilakukan metrik-metrik seperti akurasi, presisi, recall, dan f1-score. Untuk datasetnya sendiri didapat dari daftar pinjaman yang mencakup atribut seperti profil peminjam, jumlah pinjaman, banyak angsuran, dll. Dataset ini dibagi menjadi data pelatihan dan data uji untuk melatih dan mengevaluasi model. Hasil penelitian menunjukkan bahwa model algoritma Random Forest memberikan akurasi terbaik yaitu mencapai 89%, diikuti oleh Decision Tree dengan nilai akurasi tertingginya yang mencapai 84%, dan yang terakhir Logistic Regression dan K-Nearest Neighbors dengan nilai akurasi yang sama yaitu 81%. Keempat algoritma ini dipilih karena merupakan algoritma yang cukup terkenal di antara algoritma lainnya untuk prediksi dalam hal keuangan karena kemampuan mereka untuk memahami hubungan yang kompleks, memberikan hasil yang dapat diinterpretasikan, mengatasi masalah overfitting, dan mempertimbangkan keterkaitan antara entitas yang serupa.