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Hendra Cipta

Universitas Islam Negeri Sumatera Utara

Author-ID : 7598849

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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Data Analysis Time Series For Forecasting The Greenhouse Effect Umami, Fauzah; Cipta, Hendra; Husein, Ismail
ZERO: Jurnal Sains, Matematika dan Terapan Vol 3, No 2 (2019): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v3i2.7914

The greenhouse effect is a term used to describe the earth having a greenhouse effect where the sun's heat is trapped by the earth's atmosphere. This study aims to model the greenhouse effect and then predict the greenhouse effect in the coming period using the Autoregressive Integrated Moving Average (ARIMA) method. In this case, time series analysis and reference data for 31 months are used, from the period January 2017 - July 2019, the results of the ARIMA model that are suitable for forecasting the greenhouse effect are ARIMA (4.2.0) with Mean Square Error (MSE) of 161885

ANALYSIS OF FACTORS INFLUENCING DRUG ABUSE CASES USING MODELS GEOGRAPHICALLY WEIGHTED REGRESSION (GWR) IN INDONESIA Nurfebriyanti, Endah; Nasution, Hamidah; Cipta, Hendra
ZERO: Jurnal Sains, Matematika dan Terapan Vol 6, No 2 (2022): Zero: Jurnal Sains Matematika dan Terapan
Publisher : UIN Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/zero.v6i2.14917

The number of drug abuse cases in Indonesia from 2015-2020 tends to fluctuate. Factors influencing drug abuse cases in each region are thought to vary according to geographical location. This geographic effect is known as spatial heterogeneity. Spatial heterogeneity was analyzed usingGeographically Weighted Regression(GWR). This study aims to model the factors that influence drug abuse in every province in Indonesia, namely Economic Situation (X1), Association/Environment (X2), Convenience (X3) and Lack of Supervision (X4) using a Gaussian kernel. The results showed that the GWR with the Gaussian kernel is better at estimating the model because it has a higher value, namely R^2 with 90.94% and the AIC value equals 598.798979. Factors that significantly affect the number of cases of drug abuse in Indonesia are Economic Conditions, Association/Environment, Convenience and Lack of Supervision.

The Role of Work Facilities, Employee Engagement, and Work Ethic in Enhancing Employee Performance with Job Satisfaction as an Intervening Factor at CV. Anugerah Tirta Persada Pangkalan Bun Cipta, Hendra; Hwihanus
International Journal of Science and Society Vol 6 No 2 (2024): International Journal of Science and Society (IJSOC)
Publisher : GoAcademica Research & Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54783/ijsoc.v6i2.1187

This study explores the intricate relationships between work facilities, employee engagement, work ethic, job satisfaction, and employee performance within CV Anugrah Tirta Persada Pangkalan Bun. The research seeks to determine the impact of these factors on job satisfaction and how job satisfaction mediates their influence on employee performance. Utilizing a saturation sampling method, the study encompasses all 39 employees of the company. Data was collected via a comprehensive questionnaire covering respondent characteristics, work facility scale, work engagement scale, work ethic scale, job satisfaction scale, and employee performance scale, analyzed using SMARTPLS. Key findings reveal that work facilities and employee engagement do not significantly affect job satisfaction, as evidenced by p-values of 0.449 and 0.410, respectively. Conversely, work ethic significantly enhances job satisfaction with a p-value of 0.000. Job satisfaction is confirmed as a substantial predictor of employee performance (p-value 0.000). While job satisfaction significantly moderates the influence of employee engagement on performance (p-value 0.010), it does not moderate the effects of work facilities or work ethic on performance. Additionally, work ethic directly influences employee performance (p-value 0.012), while work facilities do not show a significant direct impact (p-value 0.177). These insights suggest prioritizing work ethic and employee engagement over work facilities to enhance job satisfaction and performance. The findings contribute valuable perspectives to human resource management practices, emphasizing the need for organizations to foster strong work ethics and employee engagement to boost overall performance.

Pengklasifikasian Variabel-Variabel Yang Mempengaruhi Terjadinya Stunting di Kota Medan dengan Metode Chi-Square Automatic Interaction Detection (CHAID) Rakhmawati, Fibri; Arianti, Mei Yunina; Widyasari, Rina; Cipta, Hendra
Asimetris: Jurnal Pendidikan Matematika dan Sains Vol. 4 No. 2 (2023): Asimetris: Jurnal Pendidikan Matematika dan Sains
Publisher : Pendidikan Matematika Universitas Almuslim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51179/asimetris.v4i2.2303

Tujuan penelitian ini adalah pengklasifikasian dan menganalisis faktor mana yang sangat berepengaruh terhadap kejadian stunting di Kota Medan menggunakan metode CHAID. Metode CHAID ini bekerja dengan mengidentifikasi hubungan antara variabel dependen dan independen lalu menggunakan hubungan ini untuk mengklasifikasikan sampel. Hasil penelitian menunjukkan bahwa faktor-faktor yang berpengaruh pada kejadian stunting terhadap bayi usia 24-59 bulan di Kota Medan berdasarkan hasil analisis metode CHAID adalah Riwayat Pemerian ASI Eksklusif dan Sanitasi. Dari hasil analisis metode CHAID diperoleh tiga pengklasifikasian berbeda yaitu: (1) Bayi usia 24-59 bulan yang mengalami stunting sangat pendek adalah bayi dengan keadaan Riwayat Pemberian ASI Eksklusif tidak diberikan sebesar 54% dan sanitasi tidak layak sebesar 66,7%. (2) Bayi usia 24-59 bulan yang mengalami stunting adalah bayi dengan keadaan Riwayat Pemberian ASI Eksklusif tidak diberikan sebesar 54% dan sanitasi layak sebesar 25% dan (3) Bayi usia 24-59 bulan yang tidak mengalami stunting sangat pendek adalah bayi dengan keadaan Riwayat Pemberian ASI Eksklusif diberikan 23%. Sehingga hasil temuan penelitian ini diharapkan memberikan masukan kepada pihak terkait dalam mengantisipasi terjadinya kasus stunting dengan mengklasifikasi factor-faktor mana saja yang sangat mempengaruhi kasus stunting ini.

Perilaku Penggunaan Daun Seurapoh Dalam Pencegahan Penyakit Menular Melalui kontaminasi luka Pada Keluarga Pasca Bencana Gempa Tsunami Di Banda Aceh: Lesson Learn Pasca Bencana Aceh Tahun 2004 Cipta, Hendra
Takammul : Jurnal Studi Gender dan Islam Serta Perlindungan Anak Vol. 13 No. 2 (2024): Takammul
Publisher : Pusat Studi Wanita UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/takamul.v13i2.29127

The post disaster of tsunami-earthquake on December 26, 2004 and predicted severe conditions such epidemic but not proven, it's an interesting thing to study. The study aims to explore the behavior of the family of Banda Aceh faces outbreaks diseases through the contamination of the wound so as to prevent an outbreak of post disaster. Exploratory qualitative research with data sources from the family and key persons. Data was collected through interviews in the three districts of Banda Aceh on the different categories of disasters. The results of the study there was a positive family behavior in the prevention of infectious diseases outbreak the disaster. The study concluded the presence of behavioral local wisdom of the family in the prevention of infectious diseases through wound contamination in the form of caring for his own adapted to the availability of remedy or medicine, wiping the wound with clean water or heated, close the wound with a clean cloth, went to officer / places health services. Suggestions in this study; as learning to be applied other countries as well as necessary to prove the use of leaf Seurapoh wound care family for medicinal.

Goal Programming Model in Tackling The Optimal Building Material for Production Planning Cipta, Hendra; Widyasari, Rina
Journal of Industrial Engineering and Management Vol 1, No 1 (2023)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52088/jaiem.v1i1.2

The goal achieved in the preparation of production planning is more than one. UD Rezeki Berkah is a small business medium-sized enterprise engaged in the production of building materials. UD Rezeki Berkah aims to meet market demand and must consider the costs used during production to maximize profit. Because of these problems, it will be solved with a goal programming model where this method can solve more than one goal to get a model with optimal goal priority. This research provides an optimal solution, namely achieving the target sales volume and production costs within the Rp limit target. 929,128,971, and profit targets reached Rp. 562,751,890 for a period of one year.

Determinant Factors Of Profitability Of Islamic Banks In 2017-2021 With Capital Adequacy Ratio As a Variable Intervening Wita Sari, Eka; Irvani, Ahmad; Meilani, Reka; Cipta, Hendra
Al-bank: Journal of Islamic Banking and Finance Vol 3 No 2 (2023): July - Desember 2023
Publisher : Universitas Islam Negeri Mahmud Yunus Batusangkar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31958/ab.v3i2.9088

This study aims to analyze the effect of Non Performing Financing (NPF) and Finance to Deposit Ratio (FDR) on Islamic bank profitability mediated by Capital Adequacy Ratio (CAR). This study uses secondary data in the form of panel data (pooled data), which is a combination of cross section data and time series data. The analysis technique uses path analysis. The results showed that FDR has no influence on CAR while NPF affects the CAR of Islamic banks. FDR and NPF directly have no influence on the ROA of Islamic banks. CAR variable is only able to be intervening between NPF and ROA while FDR variable indirectly through CAR variable has no significant effect on ROA of Islamic banks.

PENERAPAN METODE MONTE CARLO DALAM MEMPREDIKSI JUMLAH PENGANGGURAN DI SUMATERA UTARA dewi, mutia hatina; Lubis, Riri Syafitri; Cipta, Hendra
JOURNAL OF SCIENCE AND SOCIAL RESEARCH Vol 8, No 4 (2025): November 2025
Publisher : Smart Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54314/jssr.v8i4.4642

Abstract: Unemployment is still a problem that often occurs in every region, including in every area in North Sumatra. Unemployment rates can inevitably lead to an increase in poverty. And this can continuously trigger other losses such as rampant robbery, theft, fraud and even crimes that will harm the general public. The purpose of this study, among others, is to predict the number of unemployed in each district/city of North Sumatra from 2021 to 2025 using the Monte Carlo method and find out whether this method can be used to predict population such as unemployment. The advantage of this method lies in strong numerical calculations in simulating data by producing accurate values and the results of predicting the number of unemployed in 2021, 2023 and 2024 have decreased with the number of unemployed each year ranging from 426383, 426383 and 399403 people. Meanwhile, for 2022 and 2025 it will be an increase of 43260 and 41605 people.Keyword: Predicting, Number of Unemployed, Monte CarloAbstrak: Pengangguran masih menjadi permasalahan yang kerap terjadi di setiap daerah termasuk di setiap daerah yang ada di Sumatera Utara. Tingkat pengangguran yang tidak terelakan dapat memicu terjadinya peningkatan kemiskinan, kriminalitas. seperti maraknya perampokan, pencurian, penipuan bahkan kejahatan yang akan merugikan khalayak ramai maupun kesenjangan sosial dan dampak negatif lainnya. Tujuan dari penelitian ini antara lain untuk memprediksi jumlah pengangguran di setiap daerah Sumatera Utara perkabupaten/ kota tahun 2021 sampai dengan 2025 dengan menggunakan metode Monte Carlo serta mengetahui apakah metode tersebut dapat digunakan dalam memprediksi kependudukan seperti pengangguran. Keunggulan metode ini terletak pada perhitungan numerik yang kuat dalam mensimulasikan data dengan menghasilkan nilai yang akurat dan hasil dari memprediksi jumlah pengangguran di tahun 2021, 2023 dan 2024 mengalami penurunan dengan jumlah pengangguran disetiap tahunnya berkisar 426383, 426383 dan 399403 jiwa. Sedangkan untuk tahun 2022 dan 2025 mengalami kenaikan sebesar 43260 dan 41605 jiwa.Kata kunci: Prediksi, Jumlah Pengangguran, Monte Carlo

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

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: Jurnal Matematika dan Pendidikan Matematika
Publisher : Program Studi Pendidikan Matematika FKIP UNIVA Medan

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

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

Co-Authors Abdul Halim Hasugian Ade Putri Oktavia Adek Kumala Sari Afrina Sinaga, Serly Agustian, Nandi Ahmad Ali Nasution Ahmad Fadholi Aishikin Jovanka 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 Dalilah, Mufarrida Dalimunthe, Aldiansah Desiana Desiana Destiana, Yolanda dewi, mutia hatina Dian Aulia Zulfa Dian Maya Sari Dian Nugraha Dimas Sunanta Dongoran, Raisha Zuhaira Dwi Ananta Br Sembiring Erika Handayani Br Siahaan Fadila Inka Syahfitri Fadillah Nay Marbintang Hrp Fahlevi, Mahfudz Reza Fauzi Aldina Fauzi Aldina Fernando, Anjas Fitrahadi, Agung Fitriana Hasibuan, May Fitriani Fitriani 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 Kharisma, Alfinda Lathifah Hanum, Lathifah Lia Lestari Linna Syahputri Linna Syahputri Lubis, Riri Safitri 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 Musa Musa 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 Putri, Octa Yulanda Radiamoda, Anwar Rahmad Julianto Rahmad Julianto Rahmadani, Artika Rakhmawati, Fibri Rezki Azmi Ricka Afriani Ricky Dear Fitria Ricky Dear Fitria Rico Pradana Dita 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 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 Siti Rohanah SRI RAHAYU Sri Rahmadani, Sri Suhadiyah, Elsyah Suhardina Rangkuti Suhendra, Darmiko Suratna, Ayu Annisa Syahfitri, Nenna Irsa Syahputra, Bayu Teza Syahputri, Linna Teuku Maulana Uci Rahmadani Ulfa, Khoirina Ulyah, Himmatul Umami, Fauzah Usman, Muslim 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 yusmanidar Zakirman, Al Fakhri Zakiyuddin Zakiyuddin Zakiyuddin Zakiyuddin Zamzami Zamzami Zamzami Zamzami Zulaika, Zulaika

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