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Mantik Jurnal Matematika最新文献

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Application of Machine Learning for Heart Disease Classification Using Naive Bayes 机器学习在朴素贝叶斯心脏病分类中的应用
Mantik Jurnal Matematika Pub Date : 2022-06-30 DOI: 10.15642/mantik.2022.8.1.68-77
Siti Hadijah Hasanah
{"title":"Application of Machine Learning for Heart Disease Classification Using Naive Bayes","authors":"Siti Hadijah Hasanah","doi":"10.15642/mantik.2022.8.1.68-77","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.68-77","url":null,"abstract":"The Naive Bayes classifier uses an approximation of a Bayes theorem by combining previous knowledge with new ones. The purpose of this research is to develop machine learning using Naive Bayes classification techniques and as a decision system in producing fast and accurate classification accuracy in diagnosing cardiovascular diseases such as heart disease. Cardiovascular disease is the leading cause of death, 32% of all global deaths, of which 85% are caused by stroke and heart disease. Based on the results of the analysis, it was found that the accuracy of classification accuracy in the training data on patient data was classified as having and not having heart disease, respectively 83,21% and 83,1%. In data testing, the percentage of patient data classified as having and not having heart disease was 83,78% and 87,50%, respectively. Based on the AUC values ​​in the training data and testing data, they are 83,15% and 85,24%, respectively. So, from these results, it can be concluded that the Naive Bayes method is good for classifying heart disease patient data.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73723330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functional Form of The Zenga Curve Based on Rohde’s Version of the Lorenz Curve 基于罗德版洛伦兹曲线的Zenga曲线的函数形式
Mantik Jurnal Matematika Pub Date : 2022-06-30 DOI: 10.15642/mantik.2022.8.1.63-67
M. Fajar, Setiawan, Nur Iriawan, Eko Fajariyanto
{"title":"Functional Form of The Zenga Curve Based on Rohde’s Version of the Lorenz Curve","authors":"M. Fajar, Setiawan, Nur Iriawan, Eko Fajariyanto","doi":"10.15642/mantik.2022.8.1.63-67","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.63-67","url":null,"abstract":"The Zenga curve is a tool to measure income inequality that represents the income ratio between the bottom income group and the top income group. A proper Zenga curve is a Zenga curve that can detect variations in the Ratio. In this paper, we derive the functional form of the Zenga curve from Rohde's Lorenz curve model. The result of this paper is that the functional form of the Zenga curve from Rohde's version of the Lorenz curve model is a constant. It cannot represent the truly happening phenomenon of inequality.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80506055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Implementation of Rough Set on A Group Structure A群结构上粗糙集的实现
Mantik Jurnal Matematika Pub Date : 2022-06-28 DOI: 10.15642/mantik.2022.8.1.45-52
Ananto Adi Nugraha, Fitriani Fitriani, Muslim Ansori, Ahmad Faisol
{"title":"Implementation of Rough Set on A Group Structure","authors":"Ananto Adi Nugraha, Fitriani Fitriani, Muslim Ansori, Ahmad Faisol","doi":"10.15642/mantik.2022.8.1.45-52","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.45-52","url":null,"abstract":"Let  be a non-empty set and  an equivalence relation on . Then,  is called an approximation space. The equivalence relation on  forms disjoint equivalence classes. If , then we can form a lower approximation and an upper approximation of . If X⊆U, then we can form a lower approximation and an upper approximation of X. In this research, rough group and rough subgroups are constructed in the approximation space  for commutative and non-commutative binary operations.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75137760","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Ideal Data to Determine Accurate Fajr Time 确定准确Fajr时间的理想数据
Mantik Jurnal Matematika Pub Date : 2022-06-28 DOI: 10.15642/mantik.2022.8.1.28-35
Adi Damanhuri, Akhmad Mukarram
{"title":"Ideal Data to Determine Accurate Fajr Time","authors":"Adi Damanhuri, Akhmad Mukarram","doi":"10.15642/mantik.2022.8.1.28-35","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.28-35","url":null,"abstract":"Early fajr time research was carried out by various parties with various techniques, one of which was using a sky quality meter (SQM) photometric tool. Observational data from various regions that have varying night levels result in a varying early fajr time as well. By paying attention to the effect of sky quality represented by the night level at the observation location, this research wants to answer whether the 20 mpsas night level limit is ideal data by looking at the correlation coefficient between night level and the turning point solution. From 1068 data with varying night levels, the correlation coefficient ( ) between the night level and the turning point solution is 0,42 which means there is an effect, while for data with a minimum night level of 20mpsas the correlation coefficient is 0,07 which means there is no influence. Based on the results of the analysis, the night level of 20mpsas can be the minimum limit for conducting an ideal early fajr time research. From 241 ideal observation data from 6 LAPAN observation stations, early fajr time presents when the Sun's elevation angle is -16,51°. Early fajr time is also the beginning of subuh prayer time, with its standard used in Indonesia, which is -20° or 3,49° different from the analysis results, if it is converted there is a difference of 13 minutes 57 seconds.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80632196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of SARS-CoV-2 Spread Model with Vaccine Administration and Use of Masks 疫苗接种和口罩使用对SARS-CoV-2传播模型的影响
Mantik Jurnal Matematika Pub Date : 2022-06-28 DOI: 10.15642/mantik.2022.8.1.18-27
Khofifah Ichawati, B. Prawoto
{"title":"Dynamics of SARS-CoV-2 Spread Model with Vaccine Administration and Use of Masks","authors":"Khofifah Ichawati, B. Prawoto","doi":"10.15642/mantik.2022.8.1.18-27","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.18-27","url":null,"abstract":"The purpose of this study was to construct and determine the dynamics of the mathematical model of the reach of SARS-CoV-2 with the provision of vaccines and the use of masks. In this study, the modified SEIR model was used with the stages of conducting a literature study on mathematical modeling of the SARS-CoV-2 virus, compiling initial assumptions, making compartment diagrams, constructing mathematical models, determining equilibrium points, determining basic reproduction numbers, conducting stability analysis and synchronization of analysis results by performing numerical simulations. In this study, two equilibrium points were obtained the disease-free equilibrium point and the endemic equilibrium point. Using the basic reproduction number, we get the stability conditions for the disease-free point and the endemic point. When the disease-free point is stable, SARS-CoV-2 will disappear from the population, while when the disease-free point unstable, SARS-CoV-2 will be exist’s in the population.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90694687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relation of Morrey Sequence Spaces, Weak Type Morrey Sequence Spaces, and Sequence Spaces 莫里序列空间、弱类型莫里序列空间和序列空间的关系
Mantik Jurnal Matematika Pub Date : 2022-06-28 DOI: 10.15642/mantik.2022.8.1.36-44
Pragasto Aji Hendro Puadi, Eridani, A. Jaelani
{"title":"Relation of Morrey Sequence Spaces, Weak Type Morrey Sequence Spaces, and Sequence Spaces","authors":"Pragasto Aji Hendro Puadi, Eridani, A. Jaelani","doi":"10.15642/mantik.2022.8.1.36-44","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.36-44","url":null,"abstract":"<jats:p />","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80520674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Palindromes in Some Smarandache-Type Functions 一些smarandache类型函数中的回文
Mantik Jurnal Matematika Pub Date : 2022-05-30 DOI: 10.15642/mantik.2022.8.1.1-9
H. Gunarto, S. Islam, A. Majumdar
{"title":"Palindromes in Some Smarandache-Type Functions","authors":"H. Gunarto, S. Islam, A. Majumdar","doi":"10.15642/mantik.2022.8.1.1-9","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.1-9","url":null,"abstract":"The objective of this paper is to investigate palindromes in three Smarandache-type arithmetic functions,namely, the Smarandache function S(n), the pseudo Smarandache function Z(n), and the Sandor-Smarandache function SS(n).","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86782734","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rarity of Joint Probability Between Interest and Inflation Rates in the 1998 Economic Crisis in Indonesia and Their Comparison Over Three Time Periods 1998年印尼经济危机中利率与通货膨胀率联合概率的稀有性及其三个时期的比较
Mantik Jurnal Matematika Pub Date : 2022-05-30 DOI: 10.15642/mantik.2022.8.1.10-17
M. Najib, S. Nurdiati, Faiqul Fikri
{"title":"Rarity of Joint Probability Between Interest and Inflation Rates in the 1998 Economic Crisis in Indonesia and Their Comparison Over Three Time Periods","authors":"M. Najib, S. Nurdiati, Faiqul Fikri","doi":"10.15642/mantik.2022.8.1.10-17","DOIUrl":"https://doi.org/10.15642/mantik.2022.8.1.10-17","url":null,"abstract":"After more than twenty years, there has been no economic crisis as severe as 1998 based on inflation and interest rates. It is interesting to compare the conditions before and after the 1998 crisis and the economic conditions in the last decade in Indonesia. Therefore, this study aims to analyze the relationship between inflation and interest rates using a copula-based joint distribution. The joint return period of the 1998 economic crisis is estimated from this joint distribution. The results showed that the Gumbel copula is the most suitable bivariate copula to construct a joint distribution between inflation and interest rates in 1990-2019, with an upper tail dependency of 0.6224. Moreover, the joint return period between inflation and interest rates more severe than 1998 is 389 years with a 95% confidence interval of [47, ∞] years. This result is uncertain because many factors affect inflation and interest rates. The inflation rate decreased after the 1998 crisis. Meanwhile, in the last decade, the inflation and interest rates were much lower than in the two previous periods.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2022-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89287397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Study Between ADM and MDM for a System of Volterra Integral Equation 一个Volterra积分方程系统的ADM与MDM的比较研究
Mantik Jurnal Matematika Pub Date : 2021-10-31 DOI: 10.15642/mantik.2021.7.2.140-146
S. Mohammed, Helal Ahmed
{"title":"Comparative Study Between ADM and MDM for a System of Volterra Integral Equation","authors":"S. Mohammed, Helal Ahmed","doi":"10.15642/mantik.2021.7.2.140-146","DOIUrl":"https://doi.org/10.15642/mantik.2021.7.2.140-146","url":null,"abstract":"In this paper, a comparative study between Adomain decomposition method (ADM) and Modified decomposition method (MDM) for a system of volterra integral equation. From the illustrate examples it is observed that the exact solution is smaller in both methods, the modified decomposition method is more proficient than its traditional ones it is less complicated, needs less time to get to the solution and most importantly the exact solution is achieved in two iterations.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72753376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Society Satisfaction of The E-Toll System In Indonesia Based On Structural Equation Model 基于结构方程模型的印尼电子收费系统社会满意度分析
Mantik Jurnal Matematika Pub Date : 2021-10-31 DOI: 10.15642/mantik.2021.7.2.115-123
M. Fariz Fadillah Mardianto, Rosyida Widadina Ulya, Almira Sophie Syamsudin
{"title":"Analysis of Society Satisfaction of The E-Toll System In Indonesia Based On Structural Equation Model","authors":"M. Fariz Fadillah Mardianto, Rosyida Widadina Ulya, Almira Sophie Syamsudin","doi":"10.15642/mantik.2021.7.2.115-123","DOIUrl":"https://doi.org/10.15642/mantik.2021.7.2.115-123","url":null,"abstract":"The implementation of the use of the e-toll system has several evaluations from the community. This evaluation affects community satisfaction with the e-toll system. It is important to know public satisfaction so that the government can evaluate what factors are lacking from the e-toll system so that the service is better. In this study, the method used in the satisfaction analysis is Structural Equation Modeling (SEM). This study uses data based on the results of online questionnaires that have been tested for validity and reliability. In this study, the dimensions of service quality were assessed from the elements of reliability, responsiveness, assurance, empathy and physical evidence. Based on the results of the study, the community is satisfied with the use of the e-toll system on toll roads. However, there are two of the five dimensions of service quality that are very significant, namely the dimensions of reliability and assurance. For this reason, the government needs to pay more attention to reliability and provide guarantees for the e-toll system.","PeriodicalId":32704,"journal":{"name":"Mantik Jurnal Matematika","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73706630","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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