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International Journal of Quantitative Research and Modeling
Published by Research Collaboration Community
ISSN : 27225046     EISSN : 2721477X     DOI : https://doi.org/10.46336/ijqrm
Core Subject : Science, Social, Engineering,
Computer Science & IT Decision Sciences, Operations Research & Management Engineering Environmental Science Physics
International Journal of Quantitative Research and Modeling (IJQRM) is published 4 times a year and is the flagship journal of the Research Collaboration Community (RCC). It is the aim of IJQRM to present papers which cover the theory, practice, history or methodology of Quatitative Research (QR) and Mathematical Moodeling (MM). However, since Quatitative Research (QR) and Mathematical Moodeling (MM) are primarily an applied science, it is a major objective of the journal to attract and publish accounts of good, practical case studies. Consequently, papers illustrating applications of Quatitative Research (QR) and Mathematical Modeling (MM) to real problems are especially welcome. In real applications of Quatitative Research (QR) and Mathematical Moodeling (MM): forecasting, inventory, investment, location, logistics, maintenance, marketing, packing, purchasing, production, project management, reliability and scheduling. In a wide variety of environments: community Quatitative Research (QR) and Mathematical Moodeling (MM), education, energy, finance, government, health services, manufacturing industries, mining, sports, and transportation. In technical approaches: decision support systems, expert systems, heuristics, networks, mathematical programming, multicriteria decision methods, problems structuring methods, queues, and simulation Computational Intelligence Computing and Information Technologies Continuous and Discrete Optimization Decision Analysis and Decision Support Mathematics Education Engineering Management Environment, Energy and Natural Resources Financial Engineering Heuristics Industrial Engineering Information Management Information Technology Inventory Management Logistics and Supply Chain Management Maintenance Manufacturing Industries Marketing Engineering Markov Chains Mathematics Actuarial Sciences Big Data Analysis Operations Research Military and Homeland Security Networks Operations Management Planning and Scheduling Policy Modeling and Public Sector Production Management Queuing Theory Revenue & Risk Management Services Management Simulation Statistics Stochastic Models Strategic Management Systems Engineering Telecommunications Transportation Risk Management Modeling of Economics And so on
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 8 Documents
 1 
Search results for , issue "Vol 4, No 1 (2023)" : 8 Documents clear
THE IMPACT OF MONETARY EXECUTION ON STOCK RETURN OF NON-BANKING ORGANIZATIONS IN INDONESIA Sheila Najla Syahirah; Muhamad Deni Johansyah; Susan Purnama
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.414

Abstract

This study means to exactly analyze the impact of monetary execution proportions comprising of return on resources (ROA), return on value (ROE), current proportion (CR), the obligation to value proportion (DER), and financial worth added (EVA). to stock returns. The information utilized in this study is optional information, which was gotten from an outsider. The example in this study was chosen utilizing purposive examining which means getting an example as per the ideal measures. The populace in this study is non-banking organizations recorded on the LQ 45 File and the Sri Kehati File on the Indonesia Stock Trade (IDX) from 2015 to 2021. In light of the choice of tests by purposive examining, from various organizations that are individuals from the LQ 45 Record and Sri File Mindfulness, acquired the general example taken is 46 non-banking organizations. The logical model utilized in this study is a various straight relapse model. Concurrent exploration results show that all free factors fundamentally affect stock returns. Somewhat, the ROA, ROE, CR, and DER factors altogether affect stock returns. In the meantime, the EVA variable doesn't altogether affect stock returns.
Impact of Covid-19 Pandemic on Unemployment in Indonesia Sabran Sabran; Apridar Apridar; Muhammad Abrar
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.415

Abstract

The Covid-19 pandemic has had a significant impact on the economy. As a result, many companies were forced to close, and employees lost their jobs. Several economic variables suspected of mediating the impact of the Covid-19 pandemic on unemployment include investment, economic growth, and inflation. This study aims to determine the impact of the Covid-19 pandemic on unemployment in Indonesia either directly or through the mediation of investment, economic growth, and inflation. This research was conducted using panel data regression in 34 provinces in Indonesia in the 2018Q1 – 2021Q4 period. Through path analysis, the results showed that the Covid-19 pandemic has a direct positive impact on unemployment. The economic growth variable significantly mediates the effect of the Covid-19 pandemic on unemployment. Meanwhile, investment and inflation variables do not have a significant effect. This research is expected to provide an objective picture of the impact of the Covid-19 pandemic on unemployment in Indonesia and become a benchmark for policy formulation in dealing with the impact of this pandemic.
Inventory Control for MSME Products Using the Q Model with Lost Sales Condition Based on Products Sales Forecasting Dita Aulia Nissa; Sudradjat Supian; Julita Nahar
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.417

Abstract

Micro, Small and Medium Enterprises (MSMEs) have an important role in economic development in order to achieve thq quality of economic growth. Intense competition among MSMEs requires MSMEs to have a good inventory control that can help them minimize costs and maximize profits. One of the MSMEs that often experiences problems in inventory control is Sabun Bening Official. To solve the inventory problems in Sabun Bening Official, Holt-Winter Exponential Additive forecasting method is used as a guide to predict future product demand because product demand graph is seasonal and has trend pattern. After getting the value of product demand forecast, inventory control calucaltions are carried out using the Q Model probabilistic inventory method with lost sales condition. The uncertain and fluctuating demand causing the inventory system in Sabun Bening Official is probabilistic and the company will lose sales if it does not able to fulfill customer demands. Based on the research results, product forecasting for the coming period and inventory control policies which include the optimal number of product order, safety stock, reorder point, and product inventory costs can be obtained.
Apparel Production Optimization Model with Branch and Bound Method (Case Study: Sawargi Jersey Confectionery, West Java) Athaya Alyanisa; Julita Nahar; Nursanti Anggriani
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.412

Abstract

The production optimization model can find optimal results and maximum profits from a production activity by considering certain limitations. In this research, a production optimization model was created based on data on apparel production in UMKM (Usaha Mikro, Kecil, dan Menengah) Konfeksi Sawargi Jersey in West Java by applying the Integer Linear Programming model and solving it using the Branch and Bound Method with the help of Software Python. This research was conducted because there are many business actors engaged in the same field, especially in the apparel and sports sectors, considering the problems that are often faced by UMKM owners, such as raw material supplies, production time, production costs, selling prices, production profits, and production limits, minimum and maximum production. Based on this study's results, the Branch and Bound Method application to optimize apparel production obtains more optimal results and maximum profits than the actual production carried out by UMKM Konfeksi Sawargi Jersey.
Fiber to The Home (FTTH) Network Design Using Gigabit Passive Optical Network (GPON) Technology Using Link Power Budget and Rise Time Budget Analysis in Cibeber Village Tasikmalaya Nurul Ikhwan; Hani Rubiani; Noerlaelly Barorroh Taufik Abdul Ghofur; Yang Zhu
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.400

Abstract

Fiber optic is a transmission medium that can transmit information with large capacity. One of the developments in local fiber access networks is FTTH (Fiber to The Home). The construction of the FTTH network uses Gigabit Passive Optical Network (GPON) technology so that it can provide broadband services to customers with a wider range. This research was studied by designing FTTH based on GPON technology in Cibeber Village, Manonjaya District. The existing condition of the FTTH network in Cibeber Village is that there are 2 Optical Distribution Points (ODP) for 20 customers with each ODP having 10 subscribers. From the results of the location survey by measuring the distance to each customer, the furthest distance to the customer for the two ODPs was obtained, so that 2 new ODPs were needed for the design. From the design of the new optical network infrastructure, it has been analyzed using the link power budget and rise time budget method based on the customer with the farthest distance before the addition of ODP has a Power Receive sensitivity of -16.631 dBm to -15.631 dBm on the uplink and -16.644 dBm to -15.574 dBm on the downlink, these results are in accordance with the expected standard, which ranges from -8 dBm to -27 dBm. In calculating the value of the rise time budget for customers after the addition of ODP, it has a value of 0.2044 ns to 0.2039 ns on the uplink and 0.2188 ns to 0.21574 ns on the downlink. This value is still below the standard time limit set by PT. Telkom Indonesia 0.56 ns for uplink and 0.292 ns for downlink. So based on this the results of the design are feasible to implement.
Quality Assurance in The Surgical Ward of Hospital X in Bandung During the Covid- 19 Pandemic Richa Noprianty; Fikri Mourly Wahyudi; Wahyu Wahdana; Tata Juarta
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.416

Abstract

Health services are organised to meet the needs and demands of the community. If fulfilled, it will lead to client satisfaction. Hospital X in Bandung had a BOR of 91,67% in 2021 during the Covid-19 era. This BOR surpasses the WHO standard. Thus the quality of service needs to be assessed. The research was conducted to get an overview of the level of patient satisfaction with inpatient services at the surgical ward of Hospital X in Bandung. The study was conducted using an exploratory, descriptive approach to obtain an objective picture. Data was collected by filling out questionnaires to patients and families of 90 people. Samples were selected purposively with inclusion criteria: respondents must be treated for at least three days. The instrument was prepared concerning the “Hospital Service Quality Assurance” guidelines. The results showed that 53.4% of respondents stated that the quality of inpatient services at Hospital X in Bandung was in an outstanding category starting from the aspect of registration, nurse services, medical services, food and menus, comfort and cleanliness, medical facilities to administration, and finance. Health services carried out by hospitals are constantly changing along with the development of science and technology, and hospitals are preparing for hospital accreditation. It is recommended that hospitals continue to improve the quality of their services so that patient satisfaction with the services received can be maintained.
The Effect Of Single Point Cup Therapy On Blood Pressure In Hypertension Patients At Campaka Arum Health Center Dede Nur Aziz Muslim; Somantri Somantri; Haerul Imam
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.410

Abstract

The highest prevalence in the world is hypertension because this disease is not controlled optimally. Hypertension can be overcome by pharmacological treatment such as drugs that are diuretic, sympathetic and vasodilator. As well as nonpharmacological treatment with weight loss, regular exercise, low salt consumption, low fat and complementary therapies. One of the effective complementary therapies to treat hypertension is cupping therapy. The cupping point used, namely the al-kahil point, serves to prevent an increase in blood pressure. The purpose of this study was to determine the effect of one-point cupping therapy on blood pressure in patients with hypertension at the Cempaka Arum Health Center. The research method used a preexperiment with a one group pre-test- post-test approach. The research population is hypertension sufferers at the Cempaka Arum Health Center with a sample of 41 respondents. The instruments used are sphygnomanometer and stethoscope, as well as an assessment sheet. Data analysis using the Wilcoxon test. The results of statistical tests showed a decrease in blood pressure with a difference of 15,42 (systolic) and 11.71 (diastole). From the Wilcoxon test results obtained p-value 0.000 or p <0.005 so that H0 is rejected and Ha is accepted. It can be concluded that there is an effect of one-point cupping therapy on blood pressure in patients with hypertension at the Cempaka Arum Health Center. It is hoped that this therapy can be included in the list of alternative therapies to treat hypertension at the Cempaka Arum Health Center.
MAPPING THE POTENTIAL AND DEVELOPMENT OF INDEPENDENT CATEGORY VILLAGES IN BOGOR REGENCY Amelia Rahmi
International Journal of Quantitative Research and Modeling Vol 4, No 1 (2023)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijqrm.v4i1.399

Abstract

Independent villages are villages that have sufficient availability and access to essential services, adequate infrastructure, accessibility/transportation that is not difficult, good public services, and an already excellent administration. However, not all independent villages are able to be independent in all aspects. The ranking of village categories is based on social, economic, and social aspects. This study aims to determine the ranking of independent category village villages on different size scales and find out which villages are superior in every social, economic, and social. This study used RapidMiner to determine the ranking of independent villages and cobwebs as a mapping of the advantages of each dimension. The results of this study were obtained from 14 villages that belong to the high-independent category. From these fourteen villages, the results of mapping using cobwebs for each dimension were obtained.   The mapping results show that one village excels in two dimensions, namely Bojonggede Village, in the economic and social dimensions. Meanwhile, in the ecological dimension, Sukahati Village is a superior village. Suppose you look at the advantages of each dimension, then for the first dimension, namely the economic dimension. In that case, there are five superior villages, including Tajur, Limusnunggal, Cileungsi, Pondok Udik, Bojonggede, Cibanteng, and Gunungsari Villages. The second dimension is the social dimension; one village looks superior, Bojonggede Village. Finally, in the ecological dimension, the superior village is Sukahati Village.

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