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All Journal Jurnal Zarah JURTEKSI JISIP: Jurnal Ilmu Sosial dan Pendidikan EXPLORE Journal of Innovation and Future Technology (IFTECH) Jurnal Cahaya Mandalika Jurnal Minfo Polgan (JMP) Unnes Journal of Mathematics Education Indonesian Research Journal on Education Innovative: Journal Of Social Science Research Vocational: Journal of Educational Technology
Rahman, Erik
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Religion Arts Humanities Chemistry Computer Science & IT Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Membangun Sistem Informasi Inventori CV. Muda Jeans Berbasis Website Menggunakan Metode Rapid Application Development (RAD) Rahman, Erik; Indrati, Aviarini
Jurnal Explore Vol 11, No 1 (2021)
Publisher : STMIK Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35200/explore.v11i1.469

Abstract

CV. Muda Jeans merupakan usaha milik perseorangan yang bergerak di bidang usaha jual beli dan memproduksi produk jeans wanita. Proses pencatatan dengan menuliskan setiap proses informasi tentang produk ke buku besar. Proses pencatatan tentunya masih banyak kekurangan seperti lembaran kertas buku yang mudah rusak dan hilang. Sistem ini diimplementasikan menggunakan metode Rapid Application Development (RAD) di merancang sistem. Peneliti melaksanakan persyaratan perencanaan untuk mengidentifikasi masalah dan masalah bisnis yang terjadi nanti pada tahap desain bengkel, peneliti membuat bengkel untuk menentukan alur kerja bersama sistem antarmuka dan pada tahap akhir peneliti melakukan pengujian sistem parsial pada tahap implementasi menggunakan metode pengujian kotak hitam. Peneliti ini ingin membangun sistem baru. Peneliti menghasilkan Informasi Inventaris berbasis web Sistem CV. Muda Jeans untuk membantu melakukan pencatatan produk. Kata Kunci : CV. Muda Jeans, Sistem Informasi Inventaris Berbasis Web, Aplikasi Cepat Pengembangan (RAD), pengujian black box.
SKRINING ANTIOKSIDAN DAN AKTIFITAS ANTIDIABETES EKSTRAK TERPURIFIKASI ETIL ASETAT KOPI HIJAU ARABIKA (Coffea arabica L.) SECARA SPEKTROFOTOMETRI UV-Vis Rissa Laila Vifta; Mafitasari, Dwi; Rahman, Erik
Jurnal Zarah Vol 8 No 2 (2020): Jurnal Zarah
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31629/zarah.v8i2.1464

Abstract

Biji kopi hijau arabika (Coffea arabica L.) mengandung senyawa metabolit sekunder flavonoid, alkaloid, tanin dan terpenoid. Kandungan flavonoid pada biji kopi hijau arabika diduga memiliki aktifitas sebagai antioksidan dan antidiabetes. Peningkatan aktifitas senyawa aktif dapat ditingkatkan melalui proses purifikasi. Purifikasi biji kopi hijau arabika dilakukan menggunakan pelarut etil asetat melalui pemisahan cair-cair. Penelitian ini bertujuan untuk mengetahui aktifitas antioksidan ekstrak terpurifikasi etil asetat biji kopi hijau arabika serta menganalisis aktivitas penurunan glukosa secara in vitro. Pengujian aktivitas antioksidan ditentukan menggunakan metode ABTS (2,2 azinobis (3-etilbenzotiazolin)-6-asam sulfonat), sedangkan pengujian antidiabetes menggunakan metode Nelson Somogyi dengan pembacaan absorbansi menggunakan spektrofotometri UV-Vis. Hasil identifikasi kualitatif menunjukkan adanya senyawa aktif flavonoid pada ekstrak biji kopi hijau arabika (EBKHA) terpurifikasi etil asetat. Kadar flavonoid total pada EBKHA terpurifikasi etil asetat sebesar 49,47 mg QE/g. Aktifitas antioksidan pada EBKHA terpurifikasi etil asetat diperoleh nilai IC50 69,95 ppm dengan kategori kuat, sedangkan aktivitas penurunan kadar glukosa secara optimal pada konsentrasi 60 ppm dengan penurunan kadar glukosa sebesar 67,50%. Kandungan flavonoid pada EBKHA terpurifikasi etil asetat memiliki kemampuan antioksidan kuat serta berpotensi sebagai kandidat antidiabetes.
Project Based Learning Implementation to Improve Students' Problem Solving Ability and Honesty Rahman, Erik; Mashuri, Mashuri; Hendikawati, Putriaji
Unnes Journal of Mathematics Education Vol 6 No 2 (2017): Unnes Journal of Mathematics Education
Publisher : Department of Mathematics, Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/ujme.v6i2.14187

Abstract

The purpose of this research is to know the learning completeness, problem solving ability improvement, and honesty improvement by using Project Based Learning. This research used quantitative method.The data were taken by using documentation, observation, and test. The result of the research were 1) the completeness percentage of problem solving ability of experimental class is more than 75%; 2) the problem solving ability of experimental class improved after using Project Based Learning method which was shown by: the higher average of posttest rather than the pretest, gain index showed the improvement of problem solving ability in moderate category, that was 0,66, and the average score ofproblem solving ability of experimental class was higher than the control class; 3) the improvement of students’ honesty character proved by: the higher average of postest of honesty character rather than the pretest, gain index showed improvement in honesty character that is 0,25 (low category), the average of honest character improvement of experimental is higher than the control class.
The Influence of Motivation on Employee Work Productivity at PT. Telkom North Jakarta Iksan, La Ode; Fauzobihi, Fauzobihi; Rahman, Erik
JISIP: Jurnal Ilmu Sosial dan Pendidikan Vol 8, No 2 (2024): JISIP (Jurnal Ilmu Sosial dan Pendidikan) (Maret)
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jisip.v8i2.6582

Abstract

The purpose of this research is to determine the motivation for employee work productivity at PT. Telkom North Jakarta. This research uses quantitative descriptive methods with data collection techniques through distributing questionnaires and library data. In this research, the saturated sampling method used was 68 employees of PT. Telkom North Jakarta, using simple linear regression data analysis techniques. The results of this research show that there is an influence between motivation on the work productivity of PT employees. Telkom North Jakarta and work discipline have a strong positive influence and have an influence contribution of 46.6% on employee work productivity variables. It is hoped that the results of this research will contribute to further research.
PENERAPAN SISTEM INFORMASI PROSES PEMBELAJARAN SEBAGAI PENUNJANG FLIPPED CLASSROOM DALAM RANAH KOGNITIF M. R. Santosa, Kaffah Imanuddin; Rahman, Erik; Setiawati, Setiawati; Frisiska, Frisiska
Journal of Innovation And Future Technology (IFTECH) Vol. 7 No. 1 (2025): Vol 7 No 1 (Februari 2025): Journal of Innovation and Future Technology (IFTECH
Publisher : LPPM Unbaja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/iftech.v7i1.3935

Abstract

Education is crucial in a civilization because through education humans humanize humans. In Bloom's taxonomy there are three domains that are used as the progress of students, including cognitive, affective, and psychomotor. Technology has developed in the education sector, many learning methods can support students' abilities, especially in the cognitive domain. The emergence of LMS makes it possible to make the learning process more flexible. Given that the teaching resources used are now almost non-physical, it is necessary to integrate the distribution of teaching materials that are easily accessible. Several platforms are competing in perfecting digital-based learning media with the aim of optimizing learning. Pertiwi University uses Sevima Edlink as an LMS for both offline and online learning. The purpose of this research is to find out the optimization of learning by using Edlink in the learning process at Pertiwi University, especially in the Technology Department using descriptive qualitative methods. Edlink is an LMS platform that is engaged in education. Many features support the flipped classroom learning model so that it will support students' cognitive levels quickly. In addition, the virtual class has complete features ranging from attendance, learning materials that are easily integrated into various formats, collection and assessment of assignments, group sharing and interaction in discussions in each session. Thus Edlink LMS can optimize the learning process through flipped classroom learning.
Analisis Sentimen Menggunakan Algoritma Naive Bayes Studi Kasus pada Ulasan Produk E-Commerce Amazon Rahman, Erik; Namora, Namora; Anas, Lukman
JURTEKSI (Jurnal Teknologi dan Sistem Informasi) Vol 11, No 3 (2025): Juni 2025
Publisher : Universitas Royal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33330/jurteksi.v11i3.3637

Abstract

Analisis sentimen adalah proses mengidentifikasi dan mengklasifikasikan opini dalam teks menjadi kategori tertentu seperti positif, negatif, atau netral. Penelitian ini bertujuan untuk menganalisis sentimen ulasan produk pada platform e-commerce menggunakan algoritma Naive Bayes. Dataset ulasan produk diambil dari Kaggle, terdiri dari ribuan ulasan dengan label sentimen. Metodologi mencakup tahap preprocessing teks, ekstraksi fitur menggunakan teknik TF-IDF, dan penerapan algoritma Naive Bayes untuk klasifikasi sentimen. Hasil penelitian menunjukkan bahwa algoritma Naive Bayes memberikan akurasi sebesar 94%, membuktikan kemampuannya dalam analisis sentimen dengan dataset teks pendek
The Influence of the work environment on Employee Performance of PT Bloods Inc Fauzobihi, Fauzobihi; Permana, Fadillah Dian; Rahman, Erik
JISIP: Jurnal Ilmu Sosial dan Pendidikan Vol 9, No 2 (2025): JISIP (Jurnal Ilmu Sosial dan Pendidikan) (Maret)
Publisher : Lembaga Penelitian dan Pendidikan (LPP) Mandala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58258/jisip.v9i2.8524

Abstract

In the family of human resources science, environment and discipline and employee performance are a unit that certainly affects employee performance. This study uses quantitative research, and work discipline plays an important role in determining the level of performance. The performance of the employee in question can be seen from the work results achieved by the employees in terms of quality and quantity according to their duties and responsibilities. In this research, employee work disciplie suggests that performance is one of the elements used in employee assessment which includes discipline to their work, position and organization. This discipline is reflected by the employee's willingness to protect and defend the organization inside and outside of work from being undermined by irresponsible people
Pengaruh Self-Efficacy Dan Kerjasama Tim Terhadap Kinerja Karyawan Pada Koperasi Swadharma Jakarta Rustomo, Rustomo; Rahman, Erik; Rafli, Muhamad
Jurnal Minfo Polgan Vol. 13 No. 1 (2024): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v13i1.13824

Abstract

Penelitian ini dengan tujuan dalam rangka menganalisa secara deskriptif kuantitatif sebarapa besar hubungan dan pengaruh atas sefl-efficacy dan kerjasama tim terhadap kinerja karyawan pada Koperasi Swadharma Jakarta. Sebuah lembaga koperasi yang dibawah naungan suatu perusahan BUMN terkemuka di Indonesia Bank BNI. Metode deskriptif kuantitatif, penelitian yang menjelaskan variabel sebagaimana adanya dan didukung oleh data numerik yang berasal dari keadaan dunia nyata. Untuk mengumpulkan data dalam penelitian ini digunakan kuesioner, wawancara, dan observasi. Data primer didapatkan dengan penyebaran kuesioner ke seluruh karyaan Koperasi Swadharma Jakarta dengan skala likert dengan analisa data menggunakan SPSS versi 25. Hasil dan pembahasan bahwa seluruh data dinyatakan valid dan reliabel dengan kontribusi positif kuat hubungan dan pengaruh signifikan dan menerima hipotesis alternative.
Selft-Efficacy Dan Disiplin Kerja di Instalasi Gizi Di Rumah Sakit Hastien Rengasdengklok Karawang Rustomo, Rustomo; Lineker, Gerry Pebrian; Rahman, Erik
Jurnal Minfo Polgan Vol. 13 No. 1 (2024): Artikel Penelitian
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/jmp.v13i1.13855

Abstract

Kemampuan mengendalikan diri dan disiplin yang tinggi dalam melaksanakan pekerjaan berdasarkan jam kerja shift merupakan tantangan. Penelitian ini membahas self-efficacy dan disiplin kerja pada Instalasi Gizi Rumah Sakit Hastien Rengasdengklok Karawang. dengan kerangka metode kualitatif deskriptif menggambarkan fenomena yang terjadi dengan teknik snowballing sampling yang dimulai dengan peneliti mengumpulkan informasi melalui wawancara mendalam dari key informan. Hasil dan pembahasan penelitian ini dimana kemampuan mengendalikan diri sebagai karyawan di Intalasi Gizi Rumah Sakit Hastien Rengasdengklok Karawang disikapi bijak dengan disiplin kerja yang telah distandarkan lembaga.
PENENTUAN DOSIS KOAGULAN PADA PENGOLAHAN AIR MINUM: PENDEKATAN FUZZY BERBASIS DATA DAN PENENTUAN FUZZY SET BERBASIS Z-SCORE Cinthya, Monica; Vinarti, Retno Aulia; Septiyanti, Nisa Dwi; Putra, Cendra Devayana; Rahman, Erik; Abdillah, Rifqi
Journal of Innovation And Future Technology (IFTECH) Vol. 7 No. 2 (2025): Vol 7 No 2 (Agustus 2025): Journal of Innovation and Future Technology (IFTECH)
Publisher : LPPM Unbaja

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/0ffxq425

Abstract

direct use of raw water has serious health risks. Therefore, various water treatment processes are needed to make the raw water safe for use in domestic purposes. One important stage in such processing processes is coagulation and flocculation, where chemicals (coagulants) are used to remove colloidal particles and form larger floc that can be easily precipitated through sedimentation and filtration. Determination of the optimal coagulant dosage is essential to achieve the desired water quality. However, jer-test problems, the non-linear nature of water, and the complexity of coagulation theory can make it difficult to determine the optimal dose. Therefore, in this study, a system is proposed that uses a data-based fuzzy approach and fuzzy set determination using z-score to study data patterns and relationships between parameters in the coagulation process. The proposed method utilizes a fuzzy approach to address the non-linear nature of water and the complexity of coagulation theory. The system uses the collected data patterns to develop fuzzy models that can predict optimal coagulant doses based on specific conditions. This approach allows the system to learn from existing data and identify patterns of relationships that may be hidden between relevant parameters. The results showed that the proposed system achieved an RMSE value of 0.7639589866827494, while the MSE value was 0.5836333333333333333. This suggests that the system can provide a fairly accurate prediction of the dose of coagulant required in the coagulation process.
Co-Authors Abdillah, Rifqi Abdul Aziz Iskandar Akbar, Muhammad Sonhaji Anas, Lukman Arif Nugroho Cahyono, Andik Cinthya, Monica Darka, Darka Desmira Desmira, Desmira Fauzobihi, Fauzobihi Fa’uzobihi, Fa’uzobihi Frisiska, Frisiska Iksan, La Ode Indrati, Aviarini Irawan, Pristanto Ria Kaffah Imanuddin M R Santosa Lineker, Gerry Pebrian Mafitasari, Dwi Mashuri Mashuri Mbawala, Julius Jonas Namora, Namora Nisa Dwi Septiyanti Permana, Fadillah Dian Putra, Cendra Devayana Putriaji Hendikawati Rafli, Muhamad Retno Aulia Vinarti Rustomo, Rustomo Salsabila, Amanda Aulia Setiawati Setiawati Singgrit, Pini Syaputra, Dewo Ryanto Taufik Taufik vifta, rissa laila Wijaya, Sandi Zaenuri, Muhamad