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All Journal EKSAKTA: Journal of Sciences and Data Analysis Media Statistika MATEMATIKA Bionatura Statistika CAUCHY: Jurnal Matematika Murni dan Aplikasi SEMIRATA 2015 Kubik JURNAL ILMU MANAJEMEN DAN BISNIS Jurnal Matematika Sains dan Teknologi Jurnal Teknik Industri: Jurnal Keilmuan dan Aplikasi Teknik Industri BAREKENG: Jurnal Ilmu Matematika dan Terapan Teorema: Teori dan Riset Matematika International Journal of Supply Chain Management Jambura Journal of Mathematics Komputasi: Jurnal Ilmiah Ilmu Komputer dan Matematika Jurnal Ilmiah Matematika dan Pendidikan Matematika (JMP) InPrime: Indonesian Journal Of Pure And Applied Mathematics SMART SPORT KUBIK: Jurnal Publikasi Ilmiah Matematika International Journal of Business, Economics, and Social Development International Journal of Research in Community Services Operations Research: International Conference Series International Journal of Global Operations Research International Journal of Quantitative Research and Modeling International Journal of Ethno-Sciences and Education Research Jurnal Matematika Integratif Mathematical Sciences and Applications Journal International Journal of Technology and Education Research

Sukono .

Department Of Mathematics, Faculty Of Mathematics And Natural Sciences, Universitas Padjadjaran

Author-ID : 390586

Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Supply Chain Strategy for Measuring Risk through Capital Allocation: An Application of Incremental and Activity Based Methods Sukono Sukono; Stanley Pandu Dewanto; Dwi Susanti; Candra Budi Wijaya; Nurfadhlina Abdul Halim; Jumadil Saputra
International Journal of Supply Chain Management Vol 9, No 3 (2020): International Journal of Supply Chain Management (IJSCM)
Publisher : International Journal of Supply Chain Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1117.115 KB)

the insurance company needs a good strategy for ensuring its existence and ability to survive in the insurance world competition with reducing the chance of loss risk. Thus, this paper is written to investigate the capital allocation for measuring risk via a mathematical approach namely Value-at-Risk (VaR) so that insurance companies can find out the magnitude of the worst risks that may occur. The amount of capital allocation analysed using Incremental and Activity-Based Methods. Also, this study uses the simulation data of random numbers obtained from the calculation of premium and claims for insurance programs. The results of the analysis showed that a positive value for the diversification process. It indicates that the insurance company has met its obligations. The total risk of all portfolio returns is IDR19,013,620,433.00. Using the capital allocation analysis, this study found that the Portfolio 1 as much as IDR4,938,935,765.00, Portfolio 2 is IDR4,787,472,037.00, and Portfolio 3 as big as IDR5,544,572,898.00.

Preventive Maintenance Supply Chain Management Optimal Scheduling on VMACL Machines by Implementing Simulation Annealing Algorithms Yuyun Hidayat; Titi Purwandari; Achmad Bachrudin; Aziza Ayu Nurjannah; Agus Santoso; Sukono Sukono
International Journal of Supply Chain Management Vol 9, No 3 (2020): International Journal of Supply Chain Management (IJSCM)
Publisher : International Journal of Supply Chain Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (463.524 KB)

PT. Braja Mukti Cakra uses various types of engines to produce parts for truck cars. Vertical Lathe Automatic Chucking Machine (VMACL) is a machine that has the highest frequency of damage when compared to other machines. To reduce damage costs, preventive maintenance is well scheduled. This scheduling problem solving is done using the Annealing Simulation Algorithm. The results of the analysis give direction that the scheduling that must be done are: The maintenance action schedule for the Lifter component is at month 1,6,7,22,24,34, for the Insert component at 4,15,18,27,33 months, and for the Door component at the 2nd month, 12,13,16,17,30,36. Replacement actions for the Lifter component were carried out in the 4,5th month, 1,17,20,29, for the Insert component in the 9,19,22,23,35 months, and for the Door component in the 1,20,27 months. . Scheduling for 36 months using the Simulated Annealing Algorithm will cost IDR. 84,119,244.60 and produce greater reliability than the previous reliability of 58.44%.

Supply Chain Strategy for Managing Risk for Health Insurance: An Application of Bayesian Model Sukono Sukono; Endang Rusyaman; Jumadil Saputra; Diana Ekanurnia; Yuyun Hidayat
International Journal of Supply Chain Management Vol 8, No 4 (2019): International Journal of Supply Chain Management (IJSCM)
Publisher : International Journal of Supply Chain Management

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (599.489 KB)

Abstract- One important matter that should be investigated is the estimation of the risk distribution model of claims for each age group of the insured in health insurance because it is beneficial to prevent the occurrence of losses for insurance companies in the future. Supply chain strategy can be used in health insurance industry to manage the risks. In this paper, the research done is about the risk distribution model estimation on health insurance claims using Bayesian. The objective is to derive a health insurance risk model and determine the amount of net premium for each insured age group in health insurance. The sample of this study is the participant of health insurance in the Bandung area, Indonesia, especially for the insured who live in flood-prone areas. The estimation of the Poisson and Gamma distribution parameter is performed using the Bayesian method, which OpenBUGS involves Markov Chain Monte Carlo (MCMC) the simulation technique. The estimation results show that the frequency of claims significantly follows the Poisson distribution, whereas the amount of claims substantially follows the Gamma distribution. With the result of the analysis, the estimated frequency distribution of claims and the amount of claims, a health insurance risk model may be established. Thus the net premium of health insurance for every age group, for the insured who live in the area prone to floods can be determined.

Sistem Chaos Model Risiko Keuangan: Analisis Dinamik Siti Hadiaty Yuningsih; Sukono Sukono; Endang Rusyaman
Jambura Journal of Mathematics Vol 4, No 2: July 2022
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Chaos phenomena appear in dynamic, nonlinear and deterministic systems. One model that is being intensively researched is financial risk. This model has system variables such as interest rate, investment demand, and stock price index. This study shows that the new financial system has interesting characteristics including multistability equilibrium points, Lyapunov exponents and bifurcation diagrams. The results of this study use MATLAB for phase diagrams of the financial system. The Lyapunov exponent and analysis of the Bifurcation diagram have been generated showing the chaotic phenomena in the intervals 0 a 15 and 0 b 0.25. The resulting Kaplan-Yorke dimension is 2.2506. The results of this study can be used to predict financial risk chaos.

ECONOMIC EMPOWERMENT OF COASTAL COMMUNITIES THROUGH FISHERMAN INSURANCE Riaman Riaman; Sukono Sukono; Kalfin Kalfin
International Journal of Research in Community Services Vol 1, No 4 (2020)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v1i4.302

The current condition of fishermen in Indonesia is still far from prosperous, especially small fishermen who generally have an income of less than one million/month. Fishermen are faced with constraints on the characteristics of their fishing business which depend on climate change, weather uncertainty, and sea waves, so they pose a high risk. This affects the low income of these fishermen because fishermen working hours are very dependent on the weather so if the sea waves are high or other bad weather, fishermen are forced not to go to sea. Therefore, it is necessary to protect fishermen through fisherman insurance. Currently, the government has been trying to increase the target of fish production and consumption through protection and welfare for fishermen. One of the efforts to improve fishermen's welfare is a work program that guarantees protection against risks to fishermen, fish cultivators, and salt farmers. This program targets 1 million insurance for fishermen spread across the territory of the Republic of Indonesia. One of the government's efforts to protect fishermen and their families is through the provision of Insurance Premium Assistance for Fishermen. This effort is intended to provide guaranteed protection against risks experienced by fishermen, such as death, permanent disability, and medical costs; as well as provide awareness of insurance for fishermen. However, currently, fishermen's income is not included in the risk guarantee from the fishermen’s insurance program. Even though the income of fishermen is one of the criteria for measuring the economy of coastal communities who work as fishermen and indirectly can determine the maritime economy. Therefore, we as academics intend to conduct training and socialization of economic empowerment of fishing communities based on knowledge, skills, and potential in Cirebon Fishermen Village through Community Service programs. The material that will be provided in this Community Service activity is related to the economic empowerment of fishermen communities and community-based fisherman insurance. This material will be given to the workshop session both to the local community.

ESTIMASI NILAI KERUGIAN DAN PREMI ASURANSI BANGUNAN AKIBAT BANJIR SUNGAI CITARUM DI KELURAHAN BALEENDAH BANDUNG Iin Irianingsih; Sukono Sukono; Forman Ivana S. S. S.
Jurnal Ilmiah Matematika dan Pendidikan Matematika Vol 9 No 1 (2017): Jurnal Ilmiah Matematika dan Pendidikan Matematika
Publisher : Jurusan Matematika FMIPA Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jmp.2017.9.1.2857

High rainfall and a lack of soil moisture absorption, often causing over flowing rivers which leads to floods. Flooding due to over flow of Citarum river is a frequent disasters in the district of Bandung which cause losses ranging from loss of property, damage to homes, diseases to loss of life. In this paper discussed about how to estimate loss cost and insurance due to flooding of the Citarum river. In this case alleged that the losses of Citarum floods affected by heads of family suffering, submerged homes, household damages and field damages. Multiple linear regression analysis was used to estimate the loss cost, which used least squares method for estimating model parameters. Mixture of analysis was used to calculate the insurance premium which considered the zone region, social class, loading factor and regulations set by OJK. The results indicate the loss cost is affected by household damage, whileother factors are not significant. Whereas, average premium is 0.5 % of insured amount by calculating the loss cost due to flooding of Citarum river. Based on estimates of loss cost and premium calculation, obtained insurance product in accordance of Baleendah condition.

EFFECT SERVICE QUALITY AND CUSTOMER VALUE TO CUSTOMER LOYALTY THROUGH CUSTOMER SATISFACTION USE OF DAMRI TRANSPORTATION MODE IN BANDUNG Dadang Mohamad; Grida Saktian Laksito; Sukono Sukono
MEDIA STATISTIKA Vol 15, No 1 (2022): Media Statistika
Publisher : Department of Statistics, Faculty of Science and Mathematics, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/medstat.15.1.60-71

This study aims to determine how the influence of service quality and customer value on customer loyalty through customer satisfaction on DAMRI Transport Mode in Bandung, The research method used is quantitative, the sampling technique uses non-probability sampling and a sample of 260 respondents is obtained, the analytical tool used is Path Analysis and hypotheses using a significance test using the SPSS Version 24 and SEM AMOS analysis tool. The results of this study indicate that direct testing for direct testing of the customer loyalty variable it is found that service quality and customer satisfaction to customer loyalty has a positive and significant effect for use bus DAMRI in Bandung, while for customer value it has no effect on customer loyalty for use bus DAMRI in Bandung. With regard to customers' ownership, it is possible to increase the quality of service quality and customer loyalty to customers by giving goods a consumer satisfaction that would allow them to be loyal to using DAMRI bus as a mode of transportation in everyday activities.

Training on Economic Empowerment for Fishermen Community in Ambulu Village, Losari Sub-District, Cirebon Regency, West Java, Indonesia Sukono Sukono; Riaman Riaman; Soeryana Hasbullah
International Journal of Ethno-Sciences and Education Research Vol 1, No 2 (2021)
Publisher : Research Collaboration Community (RCC)

The welfare of fishermen in Indonesia is still very low and many of them have not been able to meet their family's daily needs. This is caused by various factors that affect their economic condition. This paper aims to conduct economic empowerment training for fisheries communities in Ambulu Village, Losari District, Cirebon Regency, West Java, Indonesia. In this study, 115 respondents Ambulu village fishermen are included in the study. The reviewed factors include social factors, work system factors, and economic factors themselves in meet the needs of fishermen's family. As much as 79.13% of respondents were able to meet their daily needs, while 20.87% were unable to meet their daily needs. This shows that other efforts are needed from fishermen to fulfil their daily needs in order to improve their welfare.

Determination of Missing Digit on the Year Number of Prasasti Sirah Keting Agung Prabowo; Sukono Sukono
International Journal of Ethno-Sciences and Education Research Vol 1, No 2 (2021)
Publisher : Research Collaboration Community (RCC)

In writing the inscription, several things need to be considered, one of which is the number of years. One example of an inscription that engraves the number of years up to thousands is the Sirah Keting Inscription. The condition of the inscription when it was found was worn, including the year number. According to J. L. A. Brandes and W. F. Stutterheim, the Sirah Kĕting inscription dates to 1026 Śaka, while according to the reading of Louis-Charles Damais, the year number is 1126 Śaka. The correctness of the differences in the reading of the number of years can be traced by using the Bratakesawa Tabulation, Damais Tabulation, Zeller Formual, and Sivaraman Formula. The four methods used gave the same results. The missing number in the hundreds position is 1 so that the number of years inscribed on the Sirah Keting Inscription is 1126 Saka or 1204 AD.

Study on Structural Equation Modeling for Analyzing Data M. Ihsan Khairi; Dwi Susanti; Sukono Sukono
International Journal of Ethno-Sciences and Education Research Vol 1, No 3 (2021)
Publisher : Research Collaboration Community (RCC)

Structural Equation Model (SEM) is a combination of two separate statistical methods, namely factor analysis developed in psychology and psychometry and simultaneous equation model developed in econometrics. Factor analysis was first introduced by Galton in 1869 and Pearson (Pearson and Lee, 1904). Spearman's (1904) research is the development of a general factor analysis model in his research relating to the structure of mental abilities, Spearman stated that the intercorrelation test between mental abilities can determine general ability factors and special ability factors. SEM is a combination of factor analysis and path analysis into one comprehensive statistical method. Path analysis itself is the forerunner of the structural equation of Sewwl Wright's research in the field of biometrics. Wright's contribution is to be able to show that the correlation between variables is related to the parameters of a model described by a path (path diagram). In SEM there are 2 variables, namely latent variables (exogenous and endogenous) and indicator variables. SEM has 2 equation models, namely the measurement equation model and the structural equation model. SEM also has 2 errors, namely the error for the measurement equation model and the error for the structural equation model. In general, SEM is formed from the relationship between latent variables and their respective indicator variables. To test whether the existing indicator variables are valid indicators for measuring the latent construct, Confirmatory Factor Analysis (CFA) is used. Data analysis with SEM must meet the existing SEM assumptions. The model feasibility test is carried out based on the goodness of fit criteria. The stages in SEM analysis are theoretical model development, flow chart drawing, flow chart conversion into equation form, input matrix and model parameter estimation techniques, model problem identification, evacuating model parameter estimates, model interpretation and model modification.

Co-Authors Abdul Talib Bon Abiodun Ezekiel Owoyemi Achmad Bachrudin Adhitya Ronnie Effendie, Adhitya Ronnie Agung Prabowo Agung Prabowo Agung Prabowo Agung, Moch Panji Agus Santoso Agus Santoso Agus Sugandha Agustini Tripena Br Surbakti Aisyah Nurul Aini Amalia, Hana Safrina Apipah Jahira, Juwita Asep K Supriatna Asep Saepulrohman Asep Solih Awalluddin, Asep Solih Asri Rula Hanifah Aulia Kirana Aziza Ayu Nurjannah Basuki , Basuki Basuki Bayyinah, Ayyinah Nur Betty Subartini Bimasota Aji Pamungkas bin Mamat, Mustafa Budi Pratikno Candra Budi Wijaya Carissa, Katherine Liora Dara Selvi Mariani Dedy Rosadi Dedy Rosadi DEWI RATNASARI Dewi Ratnasari Dhika Surya Pangestu Diah Chaerani Diah Paramita Amitarwati Diana Ekanurnia Dihna, Elza Rahma Dini Aulia Dwi Susanti Dwi Susanti Dwi Susanti Dwi Susanti Dwi Susanti Eddy Djauhari Edi Kurniadi Ema Carnia Emah Suryamah, Emah Eman Lesmana Endang Rusyaman Endang Soeryana Hasbullah Fasa, Rayyan Al Muddatstsir Febrianty, Popy Firdaus, Muhammad Rayhan Forman Ivana S. S. S. Ghazali, Puspa Liza Grida Saktian Laksito Hadiana, Asep Id Haq, Fadiah Hasna Nadiatul Hasriati Hasriati Hazelino Rafi Pradaswara Herlina Napitupulu Herlina Napitupulu Hidayana, Rizki Apriva Ibrahim M Sulaiman Ihda Hasbiyati Iin Irianingsih Ira Sumiati Ismail Bin Mohd Jumadil Saputra Jumadil Saputra kalfin Kalfin Khairi, M. Ihsan Kusumaningtyas, Valentina Adimurti Labitta, Kirana Fara Laksito, Grida Saktian M. Ihsan Khairi Maraya, Nisrina Salsabila Maulana Malik Ma’mur, Lutfi Praditia Melina Melina Melina Melina, Melina Mochamad Suyudi Mohamad Nurdin, Dadang Muhammad Arief Budiman Muhammad Iqbal Al-Banna Ismail Mustafa Mamat Mustafa Mamat Mustafa Mamat Nabilla, Ulya Nahda Nabiilah Nita Rulianah Noriszura Ismail Norizan Mohamed Novianti, Saqila Novieyanti, Lienda Novinta S, Fujika Novitasari, Ela Nugraha, Dwita Safira Nur Mahmudah Nurdyah, Himda Anataya Nurfadhlina Abdul Halim Nurul Fadilah Okta Yohandoko, Setyo Luthfi Pardede, Ester Priyatna, Yayat Puspa Liza Ghazali Putri, Aulya Putri, Linda Damayanti Putri, Sherina Anugerah Rahman, Rezki Aulia Ramdhania, Tya Shafa Ratih Kusumadewi Rayyan Al Muddatstsir Fasa Riadi, Nadia Putri Riaman Riaman Riaman Riaman Riaman Riaman Riaman Riaman, Riaman Rini Cahyandari Riza Adrian Ibrahim Rosadi, D. - Salamiah, Mia Salih, Yasir Sampath, Sivaperumal Saputra, Jumadil Sianturi, Sri Novi Elizabeth Sisilia Sylviani Siti Sabariah Abas Soeryana Hasbullah Sri Purwani Stanley Pandu Dewanto Subanar - Subanar . Subanar Subanar Subiyanto Subiyanto Sudradjat Supian Sulastri, S Sumiati, Ira Supian, Sudradjat Suroto Suroto Susanto, Sunarta Sutiono Mahdi Sutisna, Sarah Suyudi, Mochamad Suyudi, Mochammad T.P Nababan Tampubolon, Carlos Naek Tua Tika Fauzia Tiswaya, Waway Titi Purwandari Titin Herawati Umar A Omesa Valentina Adimurti Kusumaningtyas Verrany, Maria Jatu Wahid, Alim Jaizul Wan Muhamad Amir W Ahmad Widyani, Azizah Rini Wiliya Wiliya Yasir Salih Yhenis Apriliana Yulianus Brahmantyo Yulison Herry Chrisnanto Yuningsih, Siti Hadiaty Yuyun Hidayat Zahra, Ami Emelia Putri Zinedine Amalia Noor Mauludy Reihan

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