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                        Optimation economic order quantity method for a support system reorder point stock 
                    
                    Linda Perdana Wanti; 
Ratih Hafsarah Maharrani; 
Nur Wachid Adi Prasetya; 
Eka Tripustikasari; 
Ganjar Ndaru Ikhtiagung                    
                     International Journal of Electrical and Computer Engineering (IJECE) Vol 10, No 5: October 2020 
                    
                    Publisher : Institute of Advanced Engineering and Science 
                    
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The success of a company is measured by the ability to provide goods and services at the right time and place. Besides, one of the factors of the company's progress is also supported by inventory management which functions to control the company's inventory by neither hoarding lots of products nor running out of products. The development of technology requires a company's inventory management that is fast, precise and accurate to support its’ performance. In fact, some companies have difficulty in determining the stock of their goods production so that it impedes the fulfillment of consumer needs in the event of high market demand. This study is to determine the reorder point stock of a company that determines the number of purchases and sales of the company's products, therefore the amount of expenses and income can be presented to the board of directors to be followed up quickly and accurately. The method used is a statistical approach to the economic quantity model where safety stock analysis is first performed. This method is used to put the company's products to the inventory so that there are no excess or even shortages of products. System development method used is a user centered design, which is the most suitable to the study. The output of the activity is information in the form of advice to the company leaders in making decisions about production planning, controlling stock inventory, detailing market demand quickly, precisely and accurately and developing a decision support system that is made by taking into account the details of user needs.
                            
                         
                     
                 
                
                            
                    
                        Implementasi Sistem Informasi Arsip Desa Widarapayung Wetan Cilacap Untuk Peningkatan Pelayanan Pemerintah 
                    
                    Ratih Hafsarah Maharrani; 
Prih Diantono Abda’u; 
Muhammad Nur Faiz; 
Agus Susanto; 
Hety Dwi Astuti; 
Oman Somantri; 
Santi Purwaningrum                    
                     Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Vol 5, No 1 (2022): Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstormin 
                    
                    Publisher : Politeknik Harapan Bersama 
                    
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                                DOI: 10.30591/japhb.v5i1.3099                            
                                            
                    
                        
                            
                            
                                
Kondisi pengelolaan arsip di Desa Widarapayung Wetan Cilacap saat ini masih dilakukan secara konvensional, sedangkan kecepatan dan ketepatan dalam pencarian data arsip surat sangat berpengaruh kepada kualitas layanan. Dokumentasi surat masuk dan surat keluar saat ini masih secara konvensional dan berbentuk catatan yang ditulis pada buku besar berakibat sering terjadinya kesalahan dalam peyimpanan data kearsipan dan pencarian surat. Berdasarkan kesepakatan, untuk mengatasi permasalahan maka diberikanlah solusi dengan membangun sebuah aplikasi sistem informasi arsip yang dimplementasikan di desa Widarapayung Wetan Cilacap dengan harapan masalah dapat teratasi dan adanya peningkatan pelayanan. Tahapan kegiatan yang dilakukan yakni dengan melakukan assessment permasalahan, perencanaan kegiatan, pembangunan sistem, ujicoba sistem, implementasi dan evaluasi sistem, serta tahapan akhir adalah pelatihan user dan pendampingan. Berdasarkan hasil pembangunan sistem yang telah dibuat Desa Widarapayung Wetan Cilacap saat ini sudah dapat berupaya untuk meningkatkan pelayanan khususnya dalam pengelolaan arsip yang sudah dapat diakukan secara digital.
                            
                         
                     
                 
                
                            
                    
                        An Optimize Weights Naïve Bayes Model for Early Detection of Diabetes 
                    
                    Oman Somantri; 
Ratih Hafsarah Maharrani; 
Linda Perdana Wanti                    
                     Telematika Vol 15, No 1: February (2022) 
                    
                    Publisher : Universitas Amikom Purwokerto 
                    
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                                DOI: 10.35671/telematika.v15i1.1307                            
                                            
                    
                        
                            
                            
                                
This research proposes a method to optimize the accuracy of the Naïve Bayes (NB) model by optimizing weight using a genetic algorithm (GA). The process of giving optimal weight is carried out when the data will be input into the analysis process using NB. The research stages were conducted by preprocessing the data, searching for the classic naïve Bayes model, optimizing the weight, applying the hybrid model, and as the final stage, evaluating the model. The results showed an increase in the accuracy of the proposed model, where the naïve Bayes classical model produced accuracy rate of 87.69% and increased to 88.65% after optimization using GA. The results of the study conclude that the proposed optimization model can increase the accuracy of the classification of early detection of diabetes.
                            
                         
                     
                 
                
                            
                    
                        Grouping Seleksi Penempatan Kelas Industri Untuk Siswa Menggunakan Multi-Objective Optimization on basis of Ratio Analysis 
                    
                    Ratih Hafsarah Maharrani; 
Oman Somantri                    
                     Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 4 No 2 (2020): April 2020 
                    
                    Publisher : Ikatan Ahli Informatika Indonesia (IAII) 
                    
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                                DOI: 10.29207/resti.v4i2.1532                            
                                            
                    
                        
                            
                            
                                
The quality and success of a company is determined from the planning and efforts to meet the needs of Human Resources carried out in the selection process. This means that in an effective selection process good human resources can be obtained for a longer period of time. In this study, the effectiveness of student values will be analyzed with a decision support system that is used to facilitate management in the selection stage of industrial class students. From the results of the assessment, the student will be recommended to become a new employee of PT BUMA who comes from the vocational level through an industry-based curriculum education program. There are 5 criteria in the process of calculating the assessment of industrial class students, including the average student report card grades, psychological test results, HRD interviews, physical checks and pre-medical. Value processing uses a decision support system with a Multi-Objective Optimization method on the basis of Ratio Analysis (MOORA) where if the greater the student's grade results, the better the rankings produced, the more in line with the criteria expected by the company. The MOORA method was chosen because it can provide ease in the ranking process by finding the best alternative from several alternatives.
                            
                         
                     
                 
                
                            
                    
                        Metode Weighted Product Pada Pendukung Keputusan Pemilihan Pengurus Himpunan Mahasiswa 
                    
                    Hani Hidayati; 
Ratih Hafsarah Maharrani; 
Lutfi Syafirullah; 
Muhammad Nur Faiz                    
                     Journal of Innovation Information Technology and Application (JINITA) Vol 4, No 1 (2022): JINITA, June 2022 
                    
                    Publisher : Politeknik Negeri Cilacap 
                    
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                                DOI: 10.35970/jinita.v4i1.1281                            
                                            
                    
                        
                            
                            
                                
The Department of Student Association (HMJ) is a student organization at the department level in a university which is an extracurricular activity. HMTI or Informatics Engineering Student Association is one of the HMJ at the Politeknik Negeri Cilacap (PNC). HMTI certainly has a vision and mission, therefore, in order to realize the vision and mission, candidates for management are needed according to the expected criteria. The criteria for determining the decision making of HMTI management include organizational experience, psychology, public speaking, self-confidence, having a warning letter (SP) and IPK. This problem was overcome by making a Decision Support System for the recruitment of HMTI management using the weighted product method. This system makes it easy for HMTI coaches and administrators to determine the candidate for the board. Decision Support System (DSS) is an application of information systems aimed at assisting leaders in the decision-making process. This study resulted in recommendations for prospective HMTI PNC administrators who through optimization of the weighted product method with various criteria used had the highest value, so that they became a reference for HMTI supervisors and administrators to choose candidates for the following year.
                            
                         
                     
                 
                
                            
                    
                        Penerapan Metode SAW Pada Penentuan Penerima Beasiswa Lazizmu 
                    
                    Ike Yunia Pasa; 
Nur Wachid Adi Prasetya; 
Ratih Hafsarah Maharrani                    
                     INTEK : Jurnal Informatika dan Teknologi Informasi Vol. 5 No. 1 (2022) 
                    
                    Publisher : Universitas Muhammadiyah Purworejo 
                    
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                                DOI: 10.37729/intek.v5i1.1971                            
                                            
                    
                        
                            
                            
                                
Scholarships are awards in the form of financial aid to individuals or organizations for their work performance. Purworejo Muhammadiyah University (UMP) as an educational institution, also provides scholarships to its students. One of them is the Lazizmu scholarship. In the process, the campus needs to prioritize students according to their criteria. However, the accuracy of student selection is still low; therefore it is necessary to implement an efficient method to assist the selection process for the acceptance of the Lazizmu scholarship at UMP. This research aims to apply the calculation of the Simple Additive Weighting (SAW) method to the selection problem of the Lazizmu scholarship recipient, by conducting a test using a confusion matrix. The results of the confusion matrix test show that the level of accuracy in calculations using the Simple Additive Weighting (SAW) method is 80%, thus it can be developed into a decision support system to determine the acceptance of the Lazizmu scholarship at the Muhammadiyah University of Purworejo (UMP).
                            
                         
                     
                 
                
                            
                    
                        Usability Test for User Centered Design-Based Industrial Internship Management System 
                    
                    Ratih Hafsarah Maharrani; 
Abdul Rohman Supriyono; 
Lutfi Syafirullah; 
Riyadi Purwanto                    
                     Jurnal Teknologi Informasi dan Pendidikan Vol 15 No 2 (2022): Jurnal Teknologi Informasi dan Pendidikan 
                    
                    Publisher : Universitas Negeri Padang 
                    
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                                DOI: 10.24036/jtip.v15i1.555                            
                                            
                    
                        
                            
                            
                                
Internship is one of the efforts to align the knowledge or competencies obtained during the lecture with the world of work directly. In this research will be built an industrial internship management system starting from industry submissions, internship guidance and assessment of industry seminars with User Centered Design. This UCD method focuses on designing user-oriented systems. The results of the study were conducted with a usability test with 20 items (items) and 19 respondents, it can be concluded that each component of usability gets a value of > 80% which means it has a very good predicate, while the overall usability test of 87.69% includes a very good predicate.
                            
                         
                     
                 
                
                            
                    
                        Penerapan Metode First Come First Served (FCFS) Pada Sistem Informasi Layanan Perawatan dan Perbaikan Aset Kampus 
                    
                    Riyadi Purwanto; 
Linda Perdana Wanti; 
Ratih Hafsarah Maharrani; 
Rostika Listyaningrum                    
                     Infotekmesin Vol 13 No 2 (2022): Infotekmesin: Juli, 2022 
                    
                    Publisher : P3M Politeknik Negeri Cilacap 
                    
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                                DOI: 10.35970/infotekmesin.v13i2.1548                            
                                            
                    
                        
                            
                            
                                
Assets are resources owned by an entity. Cilacap State Polytechnic is a higher education institution that has many assets. Current asset maintenance and repair services are still carried out conventionally. Each work unit must fill out a maintenance and repair proposal form and then submit it to the Maintenance, Repair, and Maintenance Unit (UP3). The proposal will be recorded and scheduled to be followed up by the Technician. The problem that occurs is that the proposal form is often scattered and even lost so the response time is often slow. In addition, maintenance and repair schedules are often not ordered according to the time of the request. This has an impact on the abandonment of work in certain work units. The purpose of this research is to create an information system for the repair and maintenance of campus assets. In order for maintenance and repair services to be carried out according to the time of the request, the FCFS method is applied. Thus, the service process for maintaining and repairing campus assets becomes more organized, schedules (queues) are sequenced, and the response time for incident handling is faster.
                            
                         
                     
                 
                
                            
                    
                        Metode Weighted Product Pada Pendukung Keputusan Pemilihan Pengurus Himpunan Mahasiswa 
                    
                    Hani Hidayati; 
Ratih Hafsarah Maharrani; 
Lutfi Syafirullah; 
Muhammad Nur Faiz                    
                     Journal of Innovation Information Technology and Application (JINITA) Vol 4 No 1 (2022): JINITA, June 2022 
                    
                    Publisher : Politeknik Negeri Cilacap 
                    
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                                DOI: 10.35970/jinita.v4i1.1426                            
                                            
                    
                        
                            
                            
                                
The Department of Student Association (HMJ) is a student organization at the department level in a university which is an extracurricular activity. HMTI or Informatics Engineering Student Association is one of the HMJ at the Politeknik Negeri Cilacap (PNC). HMTI certainly has a vision and mission, therefore, in order to realize the vision and mission, candidates for management are needed according to the expected criteria. The criteria for determining the decision making of HMTI management include organizational experience, psychology, public speaking, self[1]confidence, having a warning letter (SP) and IPK. This problem was overcome by making a Decision Support System for the recruitment of HMTI management using the weighted product method. This system makes it easy for HMTI coaches and administrators to determine the candidate for the board. Decision Support System (DSS) is an application of information systems aimed at assisting leaders in the decision-making process. This study resulted in recommendations for prospective HMTI PNC administrators who through optimization of the weighted product method with various criteria used had the highest value, so that they became a reference for HMTI supervisors and administrators to choose candidates for the following year
                            
                         
                     
                 
                
                            
                    
                        Pemanfaatan Digital Marketing sebagai Media Informasi Pemasaran Online Produk Usaha Mikro Kecil Menengah Petani Hortikultura Cilacap 
                    
                    Riyadi Purwanto; 
Ratih Hafsarah Maharrani; 
Oman Somantri; 
Linda Perdana Wanti; 
Fadillah Fadillah                    
                     Jurnal PkM Pengabdian kepada Masyarakat Vol 5, No 3 (2022): Jurnal PkM: Pengabdian kepada Masyarakat 
                    
                    Publisher : Universitas Indraprasta PGRI 
                    
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                                DOI: 10.30998/jurnalpkm.v5i3.7974                            
                                            
                    
                        
                            
                            
                                
Permasalahan yang dihadapi oleh para petani holtikutura di kabupaten cilacap saat ini cukup kompleks khususnya dalam hal pemasaran produk. Permasalahan tersebut diantaranya adalah metode pemasaran yang belum maksimal karena berbagai macam keterbatasan media promosi dan pengetahuan tentang cara-cara promosi sehingga hasil pertanian hanya dipasarkan di daerah Cilacap saja, serta belum optimalnya pemanfaatan teknologi dikarenakan sarana yang terbatas dan ruang gerak yang terbatas apalagi seperti kondisi sekarang yaitu pandemi covid-19. Pemasaran online yang dilakukan oleh Petani Holtikultura Cilacap (PHC) memerlukan sebuah sarana yang lebih luas cakupannya, seperti sebuah media marketplace yang khusus menjual produk hasil pertanian dari seluruh wilayah kabupaten Cilacap. Berdasarkan kesepakatan antara tim pelaksana dan mitra, maka solusi yang menjadi prioritas utama adalah masalah strategi media pemasaran, pemanfaatan marketplace untuk pemasaran hasil pertanian di seluruh wilayah kabupaten Cilacap. Kegiatan tersebut dikemas dalam suatu bentuk pelatihan-pelatihan, diantaranya pelatihan pengelolaan marketplace yang bertujuan agar hasil pertanian dapat dipasarkan ke luar daerah Cilacap.  Target luaran yang diharapkan adalah adanya peningkatan perekonomian, serta peningkatan pengetahuan anggota PHC terkait dengan sistem pemasaran dan branding yaitu digital marketing. Selain itu diharapkan adanya peningkatan kesejahteraan dan perekonomian bagi anggota PHC karena permintaan hasil pertanian yang meningkat.