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All Journal Sainmatika: Jurnal Sains dan Matematika JURNAL MATEMATIKA STATISTIKA DAN KOMPUTASI Jurnal Daya Matematis Delta-Pi : Jurnal Matematika dan Pendidikan Matematika Edumatsains Sinkron : Jurnal dan Penelitian Teknik Informatika Justek : Jurnal Sains Dan Teknologi JTAM (Jurnal Teori dan Aplikasi Matematika) JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI Jurnal Sisfokom (Sistem Informasi dan Komputer) Zeta - Math Journal Zero : Jurnal Sains, Matematika, dan Terapan JISTech (Journal of Islamic Science and Technology) Jurnal Ilmiah Media Sisfo JURNAL MathEdu (Mathematic Education Journal) JOURNAL OF SCIENCE AND SOCIAL RESEARCH Saintifik : Jurnal Matematika, Sains, dan Pembelajarannya Symmetry: Pasundan Journal of Research in Mathematics Learning and Education M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Edugama: Jurnal Kependidikan dan Sosial Keagamaan Mawaizh : Jurnal Dakwah dan Pengembangan Sosial Kemanusiaan Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Imajiner: Jurnal Matematika dan Pendidikan Matematika Jurnal Absis : Jurnal Pendidikan Matematika dan Matematika Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Jurnal Teknik Informatika C.I.T. Medicom INFOKUM Takammul : Jurnal Studi Gender dan Islam Serta Perlindungan Anak Majalah Ilmiah Matematika dan Statistika (MIMS) Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Journal of Computer Networks, Architecture and High Performance Computing Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Asy Syar'iyyah: Jurnal Ilmu Syari'ah dan Perbankan Islam Asimetris: Pendidikan Matematika dan Sains Tawshiyah: Jurnal Sosial Keagamaan dan Pendidikan Islam FARABI: Jurnal Matematika dan Pendidikan Matematika Leibniz: Jurnal Matematika Jurnal Ilmiah Mahasiswa Perbankan Syariah (JIMPA) Journal of Mathematics and Scientific Computing With Applications International Journal of Science and Society (IJSOC) Jurnal Pijar MIPA East Asian Journal of Multidisciplinary Research (EAJMR) Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Riset Matematika JYRS: Journal of Youth Research and Studies Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Journal Keperawatan Abdimas Indonesian Journal JEBI (Jurnal Ekonomi dan Bisnis Islam) International Conference on Sciences Development and Technology Jurnal Rumpun Ilmu Kesehatan International Journal of Science and Environment Klinik: Jurnal Ilmiah Kedokteran dan Kesehatan International Journal of Health, Engineering and Technology Journal of Educational Innovation and Public Health Jurnal Ilmu Kedokteran dan Kesehatan Indonesia Neraca: Jurnal Ekonomi, Manajemen dan Akuntansi Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka Quadratic: Journal of Innovation and Technology in Mathematics and Mathematics Education Jurnal Penelitian Progresif (JPP) Jurnal Pengabdian Masyarakat Ekonomi dan Bisnis Digital Jurnal Kebijakan Pembangunan Daerah (JKPD) Bilangan: Jurnal Ilmiah Matematika, Kebumian dan Angkasa Society Al-bank: Journal of Islamic Banking and Finance Semeru Jurnal Pengabdian Masyarakat Jurnal Jendela Matematika Fathana: Jurnal Psikologi Ar-Raniry Madania: Jurnal Kajian Keislaman Jurnal Ilmu Kedokteran dan Kesehatan Indonesia Journal of Industrial Engineering and Management
Hendra Cipta
Universitas Islam Negeri Sumatera Utara
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Pemanfaatan Rancangan Acak Kelompok untuk Analisis Partisipasi Responden Survei BPS Tebing Tinggi Wandari, Rizky; Yuniar Amanda Lubis; Mahyuddin; Cipta, Hendra
Jurnal Riset Matematika Volume 5, No.2, Desember 2025, Jurnal Riset Matematika (JRM)
Publisher : UPT Publikasi Ilmiah Unisba

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29313/jrm.v5i2.8746

Abstract

Abstrak. Penelitian ini bertujuan untuk mempelajari variabel yang memengaruhi tingkat partisipasi responden dalam survei yang dilakukan oleh Badan Pusat Statistik (BPS) Kota Tebing Tinggi. Permasalahan rendahnya partisipasi responden menjadi fokus utama penelitian ini karena berdampak signifikan pada kualitas dan representativitas data yang dikumpulkan. Penelitian ini menggunakan pendekatan kuantitatif eksperimental dengan metode Rancangan Acak Kelompok (RAK), yang dibantu oleh program SPSS. Untuk mengontrol keragaman yang disebabkan oleh faktor luar, RAK disusun berdasarkan karakteristik wilayah responden, yaitu lima kecamatan di Kota Tebing Tinggi. Variabel bebas yang diteliti meliputi usia, jenis kelamin, tingkat pendidikan, pekerjaan, kondisi sosial, dan ekonomi. Data primer dan sekunder dikumpulkan selama praktik di BPS dari Agustus hingga September 2024. Analisis data dilakukan menggunakan Uji ANOVA satu arah (Analysis of Variance). Hasil analisis sidik ragam menunjukkan nilai signifikansi sebesar 0,04 (p < 0,05), yang menunjukkan bahwa faktor sosial, ekonomi, dan demografi memiliki pengaruh signifikan terhadap tingkat partisipasi responden. Usia, tingkat pendidikan, dan status sosial merupakan faktor yang paling berpengaruh, sedangkan variabel jenis kelamin dan pekerjaan tidak memiliki dampak yang signifikan. Abstract. This study aims to analyze the factors influencing the level of respondent participation in surveys conducted by the Central Bureau of Statistics (BPS) of Tebing Tinggi City. Low respondent participation is the main focus of this study because it has a significant impact on the quality and representativeness of the collected data. The research employs a quantitative experimental approach using the Randomized Block Design (RBD) method assisted by SPSS software. To control heterogeneity caused by external factors, the RBD was arranged based on respondents’ regional characteristics, namely five sub-districts in Tebing Tinggi City. The independent variables examined include age, gender, education level, occupation, social conditions, and economic conditions. Primary and secondary data were collected during an internship at BPS from August to September 2024. Data analysis was conducted using one-way ANOVA (Analysis of Variance). The results of the analysis show a significance value of 0.04 (p < 0.05), indicating that social, economic, and demographic factors have a significant influence on respondent participation. Age, education level, and social status are the most influential factors, while gender and occupation do not have a significant effect. 
Penerapan Regresi Logistik Biner Pada Faktor-Faktor Perceraian di Kota Medan Fitriani, Fitriani; Cipta, Hendra; Widyasari, Rina
FARABI: Jurnal Matematika dan Pendidikan Matematika Vol 8 No 2 (2025): FARABI (In Press)
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47662/farabi.v8i2.1243

Abstract

Divorce is a court decision on the termination of a marriage. Divorce brings with it a negative impact, especially on the children of the couple's marriage. Children who are victims of divorce tend to be prone to feeling afraid, sad, guilty to trigger stress and depression in children which then has a bad impact on relationships during the child's growth and development. Therefore, it is necessary to conduct an analysis to find out the factors of divorce. In this research, the analysis used is binary logistic regression with the response variables in the binary category of divorce, namely “cerai talak” and “cerai gugat”. While the stimulus variables in this study were 13 objects obtained based on secondary data documentation of Courts. The results of this research are obtained five factors that have a significant effect, namely age at marriage and profession of who filing for divorce and divorce defendant, as well as the education of who filing for divorce. The interpretation of the results of binary logistic regression analysis shows that, the age of divorced defendant at the time of marriage has a 1,15 times greater effect on the cerai gugat, while the age of who filed for divorce has a 0.68 times greater effect on the cerai talak. Keywords: Divorce, Factors, Binary Logistics Regression
Forecasting of The Crime Rate Using Automatic Clustering and Fuzzy Logic Relationship Method In North Sumatra Suhadiyah, Elsyah; Sajaratud Dur; Cipta, Hendra
International Journal of Science and Environment (IJSE) Vol. 2 No. 1 (2022): February 2022
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (455.313 KB) | DOI: 10.51601/ijse.v2i1.14

Abstract

Currently the crime rate is very alarming and reported in various mass and electronic media. The high crime rate in the Province of Nort Sumatra is very unsettling for the community. The purpose of this research is to get the result of forecasting the crime ratel in the 2021 - 2024 using Automatic Clustering And Fuzzy Logic Relationship (ACFLR) method. The advantage of this method is that the method has a high level of accuracy because the Mean Absolute Percentage Error (MAPE) value is relative small and the results of forecasting analysis obtained in 2021 there are 31522 cases, in 2022 are 31533 cases, in 2023 are 31574 cases and the last one in 2024 was 31602 cases. In addition, the prediction error rate MAPE obtained is 0,35 % Keywords: Crime rate, Automatic Clustering And Fuzzy Logic Relationship.
Optimal Vehicle Routing Problem (VRP) For The Distribution Of Medical Devices By Applying The Clarke-Wright Algorithm Cipta, Hendra; Fitriana Hasibuan, May
International Journal of Science and Environment (IJSE) Vol. 3 No. 1 (2023): February 2023
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijse.v3i1.56

Abstract

In the current era of modernization, the development of the need for medical devices is increasing,g so that the companies need goods distribution system with criteria that have speed, safety, and convenience to distribute various kinds of products according to optimal distribution routes. The aim of this study is to overcome the problem of the distribution route for medical devices from PT Alkes Medan because the number of demand for goods varies for each consumers, vehicle capacites, delivery time limits, average speed that can be reached on certain routes and times and the existence of the different conditions of multiple trips at the customer's location. A heuristic algorithm named Clarke-Wright Algorithm is applied in this problem. This algorithm will be later provide an optimal solution to route problem in the distribution of medical devices and provide effectiveness in finding the shortest optimal route of medical device goods distributed to consumers. The optimal route will be described in the results section of this study
Disease Clusterization Based on Patient Age and Disease Type Using K-Means Clustering Jalaluddin Mahally Hasibuan; Hendra Cipta; Rini Halila Nasution
International Journal of Health Engineering and Technology Vol. 4 No. 5 (2026): IJHESS JANUARY 2026
Publisher : CV. AFDIFAL MAJU BERKAH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55227/ijhet.v4i5.521

Abstract

This study aims to classify disease types based on patient age using the K-Means Clustering method in order to identify disease distribution patterns at Malahayati Islamic Hospital, Medan. The data used in this research consists of medical record data of patients from October to December 2024, including variables such as age, type of disease, gender, and area of residence. The research stages include data cleaning, data transformation of age and disease attributes into numerical values, and clustering analysis using the K-Means algorithm implemented through RapidMiner software. The clustering results produced three main clusters, representing high, moderate, and low disease prevalence levels. Diseases with the highest prevalence cluster include pregnancy-related cases, pneumonia, acute respiratory infections (ISPA), chronic obstructive pulmonary disease (COPD), and gastroenteritis (GEA), which are predominantly found in adult and elderly age groups. The results indicate that patient age significantly influences disease distribution patterns. This study demonstrates that K-Means Clustering is effective in identifying age-based disease patterns and can serve as a decision-support tool for healthcare planning, resource allocation, and disease prevention strategies in hospital management.  
Optimizing the use of sewing materials to maximize production output Rakhmawati, Fibri; Rifki, Mhd Ikhsan; Husein, Ismail; Cipta, Hendra; Lubis, Riri Syafitri; Sari, Rina Filia
Abdimas Indonesian Journal Vol. 5 No. 2 (2025)
Publisher : Civiliza Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59525/aij.v5i2.1043

Abstract

This Community Service Program aims to optimize the use of sewing materials to maximize production output at Rumah Jahit Nila through the application of a linear programming model in the allocation and use of sewing materials in planning and maximizing production output. The implementation methods include mapping processes and data requirements and formulating a linear programming model relevant to the scale of Nila Sewing House MSMEs, as well as training and live demonstrations using QM as software to determine optimization solutions. The evaluation was conducted on 15 participants using a 1–4 Likert scale instrument with four assessment indicators, namely, training content, presenter's subject-matter expertise, event facilities, and benefits of the program. Descriptive analysis showed an overall average of 3.43 on a scale of 4, with a percentage level of 85.8%, which is in the Very Good category. In order, the indicator achievements are Presenter’s Subject-Matter Expertise = 3.53 (88.33%), Benefits of the Program = 3.47 ( 86.67%), Training Content = 3.40 (85.00%), and Event Facilities = 3.33 (83.33%). These results confirm that the competence of the speakers and the relevance of the benefits are the main strengths, while the content and facilities of the activities are areas for priority improvement. This program has successfully improved participants' technical capacity in modeling and implementing linear program-based raw material optimization, while also providing a foundation for operational implementation to reduce waste and increase throughput.
PENYELESAIAN MENGGUNAKAN RUMUS EULER PADA BILANGAN KOMPLEKS CIPTA, HENDRA
Jurnal Sains dan Matematika Vol. 4 No. 1 (2023): Jurnal Sains dan Matematika
Publisher : PMIPA FKIP UNJA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Studi ini  membahas penyelesaian persamaan trigonometri menggunakan rumus Euler pada bilangan kompleks dimana rumus Euler diturunkan dari Deret Taylor sehingga diperoleh rumusan bentuk rumus Euler dalam menyelesaikan persamaan trigonometri. Kata Kunci : Rumus Euler, deret Taylor
Co-Authors Adek Kumala Sari Afrina Sinaga, Serly Agustian, Nandi Ahmad Ali Nasution Ahmad Fadholi Aisy Al-Khansa Amalia, Feby Ayu Ambia Nurdin Amiruddin Amiruddin Amiruddin Amiruddin Apriza, Muhammad Amizaeni Arianti, Mei Yunina Arini Arini Aulia, Surayya Ayu Hariati Ayunda, Afrila Barmawi Barmawi, Barmawi Batubara, Fikri Husin Br. Munte, Rahma Nadira Breghi, Willy Bukhari Bukhari Clara, Nur Cellia Cynthia, Mayang Modelina Dalimunthe, Aldiansah Desiana Desiana, Desiana Destiana, Yolanda dewi, mutia hatina Dian Nugraha Dimas Sunanta Dongoran, Raisha Zuhaira Erika Handayani Br Siahaan Fadila Inka Syahfitri Fahlevi, Mahfudz Reza Fauzi Aldina Fauzi Aldina Fernando, Anjas Fitrahadi, Agung Fitriana Hasibuan, May Fitriani Fitriani Fitriani Gurusinga, Ditha Aulia Gusti Arya Wicaksana Handrianto, Michael Harahap, Baran Enda Hari Kurniawan Harri Santoso Hasibuan, Hani Maulida Hasibuan, Mhd Panerangan Hasibuan, Muhammad Afif Fauzi Hasyim Lubis Hatamar, Hatamar Hazizah, Salsabillah Hwihanus Ida Ayu Putu Sri Widnyani Ika Silvia Ramadani Ilham Syaputra Indra Willy Juliansya Indrawati Indrawati Ir Zulkarnain, Ayu Najmita Binti Irvani, Ahmad Islamiyah, Annisa Rizka Ismail Husein, Ismail Isnani Nurul Deva Jalaluddin Mahally Hasibuan Kana Nurrohma Khairani, Sabila Lathifah Hanum, Lathifah Lia Lestari Linna Syahputri Linna Syahputri Mahyuddin Makmun, Sukran Marina Ulfah Mario Bagus Sanjaya Marpaung, Rizq Alwi Matondang, Agnes Febrianti Mei Yunina Arianti Meilani, Reka Mhd Ikhsan Rifki Mirna Rahmah Lubis Muhammad Alfi Syahri Harahap Muhammad Haikal Muhammad Haikal Muhammad Irham Setiadi Muhammad Muhammad Muliana, Muliana Muslim Mutadhahadi Mutadhahadi Nasrul Mahruf Aznawi Nasution, Faisal Anshori Nasution, Hamidah Nasution, Hanifa Mardiatun Nasution, Mutiah Ningsi, Ria Sagita Nugraha Pratama Ramadhan Nurdin, Ambia Nurfebriyanti, Endah Nurhalimah Ritonga Nurhaliza Nurhaliza Nurhaliza Nurhaliza Nurjannah Nurjannah Nurma Sari Nurul Aprilla Rizki Nurul Huda Prasetya Ok Muhammad Zikri Fadillah oktavia handayani Panca Taufik Kurahman Paramita, Esti Puspita, Reni Putra, Fani Darmawan Putri Harahap, Rahmelia Rahmad Julianto Rahmad Julianto Rahmadani, Artika Rakhmawati, Fibri Rezki Azmi Ricka Afriani Ricky Dear Fitria Ricky Dear Fitria Rico Pradana Dita Rifki, Mhd Ikhsan Rima Aprilia Rima Aprilia Rima Aprilia Rina Filia Sari Rina Filia Sari, Rina Filia Rina Widyasari Rina Widyasari Rina Widyasari Rina Widyasari Rini Halila Nasution Riri Syafitri Lubis Rizka Auva Rafiqi Rizky, Aldi Rizq Alwi Marpaung Rohima Almahuwanah Rosnidawati Sajaratud Dur Sajaratud Dur Sajaratud Dur Sajaratud Dur, Sajaratud Salsalina, Iren SANAINI, SANAINI Sartika Dewi Sembiring, Tesya Yunita Setyorini, Winarti Sianipar, Putri Nopriani Sinaga, Melly Nia Fajriani Siregar, Machrani Adi Putri Siti Khadijah Laoly SRI RAHAYU Suhadiyah, Elsyah Suhardina Rangkuti Suhendra, Darmiko Syahfitri, Nenna Irsa Syahputra, Bayu Teza Syahputri, Linna Teuku Maulana Uci Rahmadani Ulfa, Khoirina Utami, Ristika Dian Wandari, Rizky Wenny Marta Dolok Saribu widya panjaitan Widyasari, Rina Wilia Usna Winda Risfani Nst Windu Asmoro Wita Sari, Eka Yuniar Amanda Lubis Zakirman, Al Fakhri Zakiyuddin Zakiyuddin Zakiyuddin Zakiyuddin Zamzami Zamzami Zamzami Zamzami Zulaika, Zulaika