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Hendra Cipta

Universitas Islam Negeri Sumatera Utara

Author-ID : 7598849

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Faktor-Faktor Yang Mempengaruhi Minat Siswa SMA Untuk Melanjutkan Pendidikan Ke Perguruan Tinggi dengan Latent Class Regression Analysis Sinaga, Melly Nia Fajriani; Dur, Sajaratud; Cipta, Hendra
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3476

Interest is an internal component within an individual that greatly influences his actions. Education is the process of changing the attitudes and behavior of a person or group in an effort to mature a person through teaching or training. The aim of this research is to determine the factors that influence high school students' interest in continuing their education to higher education using the latent class regression analysis method. The latent class regression analysis method can determine the influence of accompanying variables or covariates in the formation of latent classes. The most dominant factors influencing high school students' interest in continuing their education to higher education are needs, facilities and attention. In the first class the influencing factor is need. In the second and third classes the influencing factor is facilities. In the fourth class the influencing factor is attention.

Analisis Sentimen Jasa Ekspedisi Pengiriman Barang Menggunakan Metode Naive Bayes Matondang, Agnes Febrianti; Dur, Sajaratud; Cipta, Hendra
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i1.3653

Based on the comment data that has been collected through data provided by the Nugraha Eka Courier route regarding serivce to customers, a sentiment analysis will e carried out to determine positive and negative comments. The collected data is divided to be used as training data and testing data for the classification process which is supported by the rapidminer application. The method used for clarification in this study is the Naïve Bayes method. This study aims to get the value of service accuracy based on comments given by the community. The results showed that the naïve bayes method was able to classify the comments that had been collected by getting an accuracy value for positive comments of 82,25% for negative comments getting an accuracy value of 17,75%. It is avident that the proposed method can be used to classify the services of the Nugraha Eka courier (JNE) line through the comments that have been collected.

Pendekatan Regresi Spline Multivariabel untuk Pemodelan Indeks Ketahanan Pangan Provinsi Sumatera Utara Zulaika, Zulaika; Cipta, Hendra; Siregar , Machrani Adi Putri
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 7 No. 1 (2024): Sustainable Development Goal in Mathematics and Mathematics Education
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v7i2.3666

Food security is a condition where food is fulfilled for a household which is reflected in the availability of sufficient food both in terms of quantity and quality, safe, and equitable and affordable. In Government Regulation No. 38 of 2007 Food security has become a basic prerequisite that must be owned by autonomous regions where food security is a mandatory matter for the central, provincial, and district / city governments. To measure the food security of a region, the Government makes an indicator in looking at the achievement of food security of a region. This indicator is the Food Security Index. For this reason, it is necessary to conduct an analysis to model factors related to food security through the Food Security Index to see how much these factors contribute to the ups and downs of the Food Security Index. One statistical method that can explain the relationship between predictor variables and response variables is spline nonparametric regression analysis. Spline is an approach towards matching data while taking into account the smoothness of curves. Splines have the advantage of overcoming data patterns that show sharp rises / downs with the help of knot points, and the resulting curve is relatively smooth. The research objective of this study was to determine the modeling of the Food Security Index in North Sumatra using the Multivariable Spline Regression Method. Based on the analysis that has been done, a spline regression model for the Food Security Index in North Sumatra was obtained at three knot points with a minimum GCV value of 27.39 and R^2 is 92.76%.

Model Vector Autoregressive Exogenous (VARX) dalam Hasil Usaha Tani Buah Naga Afrina Sinaga, Serly; Cipta, Hendra; Widyasari, Rina
Proximal: Jurnal Penelitian Matematika dan Pendidikan Matematika Vol. 8 No. 1 (2025): Sains Matematika dan Pendidikan Matematika
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/proximal.v8i1.4332

Model Vector Autoregressive Exogenous (VARX) dapat digunakan untuk memprediksi data deret waktu lebih dari satu variabel yang menggunakan variabel eksogen dalam sistem persamaannya. Model Vector Autoregressive Exogenous (VARX) yang digunakan dalam penelitian ini adalah dengan menggunakan dua variabel endogen dan satu variabel eksogen. Penelitian ini menggunakan data primer dan sekunder. Data primer yaitu data bulanan deret waktu hasil usaha tani buah naga besar dan buah naga kecil dari tahun 2021 sampai dengan tahun 2022 di Desa Pulo Pitu Marihat Kecamatan Ujung Padang Kabupaten Simalungun serta Data sekunder yaitu curah hujan. Tujuan dari penelitian ini adalah untuk memprediksikan hasil usaha tani buah naga besar dan buah naga kecil di Desa Pulo Pitu Marihat Kecamatan Ujung Padang Kabupaten Simalungun dari januari 2023 sampai dengan Desember 2024. Hasil analisis menunjukkan bahwa model Vector Autoregressive Exogenous (VARX) yang dapat diterapkan terhadap data hasil usaha tani buah naga besar dan buah naga kecil adalah Vector Autoregressive Exogenous (VARX (1,1)). Nilai MAPE untuk model Vector Autoregressive Exogenous (VARX (1,1)) pada variabel buah naga besar yaitu -22% dan buah naga kecil yaitu -27,6% sehingga ketepatan hasil prediksi model dapat dikatakan baik digunakan.

KAWASAN EKONOMI KHUSUS DAN POTENSI PARIWISATA PROVINSI KEPULAUAN BANGKA BELITUNG Cipta, Hendra
Tawshiyah: Jurnal Sosial Keagaman dan Pendidikan Islam Vol. 13 No. 1 (2018): Tawshiyah Vol. 13, No. 1 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LP2M) IAIN Syaikh Abdurrahman Siddik Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32923/taw.v12i1.297

Special Economic Zone is a program that supports the acceleration of Indonesia's economic development and tourism into one of the sectors included in the Special Economic Zone. Bangka Belitung Islands Province is a beautiful province and rich in natural resources to serve as a tourism destination. With good planning and management of the Province of Bangka Belitung Islands can be a tourism destination that is taken into account by tourists in the country and abroad.

Sistem Pendukung Keputusan Penerima Bantuan Sosial Program Keluarga Harapan (PKH) Kelurahan Titi Kuning Dengan Metode VIKOR Sianipar, Putri Nopriani; Cipta, Hendra
Jurasik (Jurnal Riset Sistem Informasi dan Teknik Informatika) Vol 8, No 1 (2023): Edisi Februari
Publisher : STIKOM Tunas Bangsa Pematangsiantar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30645/jurasik.v8i1.537

To increase the effectiveness of poverty alleviation in the field of social protection, the Indonesian government, starting in 2007, is implementing the Program Keluarga Harapan (PKH). The Program Keluarga Harapan (PKH) has been implemented in various regions in Indonesia, and Titi Kuning Village, Medan Johor District, Medan City, North Sumatra is one of the areas in Indonesia that has implemented PKH. The obstacle that is often found in the process of determining PKH beneficiaries is that there are beneficiaries of PKH social assistance who are not on target. In addition, many families, ranking the determination of PKH beneficiaries will take a long time. Thus a solution is needed to help this problem, namely with a decision support system that applies the VlseKriterijumska Optimizacija I Kompromisno Resenje (VIKOR) method as determining priority for prospective recipients of PKH social assistance in Titi Kuning Village. Decision support systems have the goal of providing information to decision-makers so that decision-makers can make more effective and targeted decisions. Designing a decision support system for prioritizing prospective recipients of PKH social assistance using the VIKOR method in the Titi Kuning Village, so that PKH assistance recipients are right on target according to predetermined criteria. It can support the performance of the Village Government to the Social Office and to the Ministry of Social Affairs.

OPTIMISASI PENDISTRIBUSIAN PRODUK KRIPIK DALAM KEMASAN DENGAN METODE TRANSPORTASI PADA UD. KERIPIK RUMAH ADAT MINANG Ir Zulkarnain, Ayu Najmita Binti; Syafitri Lubis, Riri; Cipta, Hendra
JURNAL MathEdu (Mathematic Education Journal) Vol 7 No 1 (2024): JURNAL MathEdu (Mathematic Education Journal) Maret 2024
Publisher : Program Studi Pendidikan Matematika Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/mathedu.v7i1.5957

Keripik Rumah Adat Minang is a company of snack food where producing packaged sweet potato chips under the brand of rumah adat minang. The distribution of chips is hampered because the number of consumer request in various cities is higher than the amount of capacity in the warehouse, resulting in the distribution process often delays and having to be done repeatedly so that make the distribution costs become large. Plus now, many roads have been closed so that the distribution routes that are traversed are getting farther away, so its certain that the company incurs huge costs for the distribution of chips. The purpose of this research is to apply the north west corner method as an initial solution for allocating how many chips are produced, to apply the stepping stone method as the final solution in minimizing the cost of distributing chips and to help companies minimize the cost of distributing chips. Both methods can solve problems in the distribution of chips from both warehouses to various destination cities. The results showed that the cost optimization obtained by using the north west corner method was Rp. 146,556,705 which succeeded in reducing as much as Rp. 30,579,886 from the initial cost of transportation of Rp 171,555,522 but it was not optimal, so 4 more iterations were carried out using the advanced method, namely the stepping stone method. Thus the cost of transportation distribution is optimal by generating a cost value of Rp. 146,075,000.

Pendugaan Hazard Rate Letusan Gunung Sinabung dengan Metode Single Decrement Pendekatan Likelihood Gurusinga, Ditha Aulia; Lubis, Riri Syafitri; Cipta, Hendra
JATISI Vol 11 No 1 (2024): JATISI (Jurnal Teknik Informatika dan Sistem Informasi)
Publisher : Universitas Multi Data Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/jatisi.v11i1.7052

Abstract The eruption on Mount Sinabung made North Sumatera the province with the highest frequency of volcanic eruptions and the highest prevalence of deaths in Indonesia. As a consideration for reducing the risk of volcanic eruptions, a risk map was created through mathematical model calculations containing hazard rate values based on the number of Mount Sinabung eruptions which became variables in the regression model for estimating the hazard rate of Mount Sinabung eruptions using the single decrement likelihood approach method. The research results show that the hazard rate value for the eruption of Mount Sinabung in 2020 has the largest value, namely 0.20765. The best and most feasible model after calculating the smallest Mean Squared Error (MSE), namely 0.000616 from the results of the hazard rate which has been transformed into the box cox, is the quadratic model. Through this model, it is assumed that the estimated hazard rate values of Mount Sinabung eruptions in 2021, 2022 and 2023 will increase respectively.

Gold Price Prediction Using the Fuzzy Time Series Saxena-Easo Method Fernando, Anjas; Lubis, Riri Syafitri; Cipta, Hendra
International Conference on Sciences Development and Technology The 1st ICoSDTech 2021
Publisher : International Conference on Sciences Development and Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.013 KB)

Gold is an investment that has the smallest risk compared to other investment methods, but every time the price of gold always fluctuates. This fluctuation will make it difficult for investors, the government, or those who need gold price data to see how the prospects for gold investment are going forward. To overcome this, a prediction or forecast is made. One of the forecasting methods developed with fuzzy theory is the Saxena-Easo fuzzy time series method. In this study, this method will be used to predict gold prices in the period 17 August 2021 to 31 December 2021. The purpose of this study is to determine the value of gold prices for the period 17 August 2021 to 31 December 2021 and to determine the accuracy of the fuzzy time series method. Saxena Easo. While the parameter used to measure forecasting accuracy is MAPE, if this parameter is in the range of 10% to 20% then the forecasting result is good, and if the parameter is below 10% then the forecast result is very good. The results of forecasting gold prices in the period 17 August – 31 December 2021 have a value that tends to increase and the MAPE obtained is 0.024277%. Therefore, it can be said that the prediction results for certain parameters are very good.

Efektifitas Pengetahuan Ibu Balita Terkait Gizi Seimbang Balita Untuk Mencegah Stunting Melalui Penyuluhan Di Gampong Kiran Krueng Jangka Buya Pidie Jaya Ambia Nurdin; Nurhaliza Nurhaliza; Zamzami Zamzami; Amiruddin Amiruddin; Zakiyuddin Zakiyuddin; Ricky Dear Fitria; Fauzi Aldina; Hendra Cipta; Muhammad Haikal
Jurnal Ilmu Kedokteran dan Kesehatan Indonesia Vol. 3 No. 3 (2023): November : Jurnal Ilmu Kedokteran dan Kesehatan Indonesia
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jikki.v3i3.2229

Fulfillment of nutrition is very important for the growth and development of children, especially in the first 1000 days of life (HPK). Family, especially mothers play an important role in providing balanced nutrition, therefore mothers must have good knowledge about it. The purpose of this activity is to increase the knowledge of mothers of toddlers about balanced nutrition in toddlers. This activity was carried out in the village of Kiran Krueng. This study used a pre-experimental design method with the type of one group pretest-posttest design. The target in this study were the women of Kiran Krueng Village, Jangka Buya District, Pidie Jaya Regency. The questionnaire in this study was used to examine the effect of providing counseling about stunting on increasing the knowledge of women in Kiran Krueng Village, Jangka Buya District, Pidie Jaya Regency. The number of samples taken was 20 mothers. It is known that most of the respondents were female as many as 20 respondents with a percentage of 100%, while most of them were aged 25-30 years as many as 12 respondents with a percentage of 60%. The highest level of knowledge of mothers before being given counseling was in the moderate category, 7 people (35%). The highest level of knowledge of mothers after being given counseling was in the high category, 20 people (100%). The average level of knowledge of mothers before being given counseling was 2,05 and after being given counseling, it was 1,00. From these results it can be concluded that there were positive results from the counseling process carried out.

Co-Authors Abdul Halim Hasugian 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 Aulia Zulfa Dian Maya Sari 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 Ismanto, Reno Isnani Nurul Deva Jalaluddin Mahally Hasibuan Kana Nurrohma Khairani, Sabila Kharisma, Alfinda 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 Musa Musa 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 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 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 Siti Rohanah SRI RAHAYU Suhadiyah, Elsyah Suhardina Rangkuti Suhendra, Darmiko Suratna, Ayu Annisa Syahfitri, Nenna Irsa Syahputra, Bayu Teza Syahputri, Linna Tauratiya, Tauratiya 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

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