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Eka N. Kencana
Udayana University
Mathematics

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Tinjauan Dampak Pariwisata di Kawasan Pesisir Pada Dimensi Sosial Budaya Masyarakat Komang Gde Sukarsa; Trisna Darmayanti; Eka N. Kencana
Jurnal Matematika Vol 8 No 1 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2018.v08.i01.p96

Abstract

Tourism is a leading sector in developing process of many countries. For Bali, tourism contributes more than 30 percent on the formation of Bali’s Regional Domestic Product. To assure tourism at this island will run in sustainable manner, three aspects have to be considered. This research is aimed to classify the positive as well as the negative effects of socio-cultural dimension arose from tourists activities at coastal area of Badung regency of Bali. A hundred of local community leaders at North Kuta district were selected and their perception regarding effect of tourism on socio-cultural aspect were collected on June – September 2017 and analysed by using factor analysis. Three groups were identified as the positive effects i.e. (a) women empowerment as the economic agents for the family; (b) the increasing of Balinese values; and (c) the raising of community capacity building in developing culture-creative products. Viewed from the burden of cost, we found the potency of increasing the social as well as family conflicts because of different perspectives in viewing tourism.
Motivasi Berlatih Pemain Silat Keluarga Silat Nasional Perisai Diri - Provinsi Bali . Sukrianingsih; Eka N. Kencana; Tari Tastrawati
Jurnal Matematika Vol 8 No 1 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JMAT.2018.v08.i01.p94

Abstract

Silat is a class of indigenous martial arts found in some countries in Southeast Asia such as Indonesia, Malaysia, Brunei, Singapore, and south of Thailand. In Indonesia, silat is organised by several silat organisations according to its style (aliran) or school (perguruan). This essay is aimed to study the motivation of playing silat and classify it into its motivational factors by applying confirmatory factor analysis. The data were collected by distributing self-administered questionnaire to 180 members of Perisai Diri at Bali Province, one silat school in Indonesia. Six factors were confirmed as motivational factors for playing silat. These factors, order decreasingly according to their variance explained, are Appreciation of Indigenous Culture, Personal Achievement, Self-Defence, Recreation, Health Maintenance, and Mental & Spiritual Building.
OPTIMALISASI PENGGUNAAN ELSE-U UNTUK MATEMATIKA KONSEPTUAL LUH PUTU IDA HARINI; KARTIKA SARI; EKA N. KENCANA
E-Jurnal Matematika Vol 7 No 3 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2018.v07.i03.p217

Abstract

Udayana University is one of the universities that have developed an e-learning system that is coupled with the IMISSU (Integrated Management Information System of the Udayana) system and is known as the ELSE-U (E-Learning Smart and Elegant of Udayana). This system was built with the aim of accommodating online lectures. But in reality there are still many lecturers, especially in the Mathematics Department who have not utilized the learning media. Many reasons related to the media have not been utilized. In this study, a material development strategy and learning using ELSE-U will be initiated for conceptual mathematics material in order to obtain optimal benefits. In addition, the measurement of the level of acceptance and use of the utilization of ELSE-U in learning is carried out using the Technology Acceptance Model (TAM) method. The results showed that the internal and external factors of students did not affect the perceived ease of use in the use of ELSE-U, organizational factors (study programs, faculties, and universities) had a significant effect on perceived usefulness and perceived ease of use in the use of ELSE-U, while student behavior in addressing the use of ELSE-U has a significant effect on students' intention to use it.
MEMODELKAN DAMPAK DAN KEBERLANJUTAN PARIWISATA PESISIR DI KABUPATEN BADUNG – PROVINSI BALI NGURAH P. DWIPAYANA; EKA N. KENCANA; NI KETUT TARI TASTRAWATI
E-Jurnal Matematika Vol 7 No 2 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2018.v07.i02.p192

Abstract

Tourism has been positioned as rising industry since year 2000s. Despite of its position as the primary mover for economic development and increasing the welfare of local people at the destination, tourism also induces some negative impacts regarding the social as well environment dimension for the destination and its surrounding. This essay is directed to study the impacts of marine tourism that take places at coastal region of Badung regency of Bali province. Utilising proportionally random sampling, 180 local people at District of Mengwi at Badung were selected as the sample's members for the study. Three dimensions of tourism sustainability i.e. economic, socio-cultural, and environment dimension were positioned as the exogenous latents while tourism impact was perceived by the local is placed as the endogenous one. In additon, this impact is hypothesed a ects the sustainability of marine tourism at this district. A covariance-based structural equation model was built to elaborate the causal relationship among these latent variables. Our research confirmed all of exogenous latents significantly affect people perception about tourism impact with socio-cultural dimension dominates the others' impact, and in turn, this impact - from supply perspective - affects marine tourism sustainability at Mengwi district of Badung regency.
ESTIMASI SINTASAN PENDERITA DIABETES MELITUS: KOMPARASI KINERJA REGRESI PLS DAN LASSO GEDE ARY PRABHA YOGESSWARA; EKA N. KENCANA; KOMANG GDE SUKARSA
E-Jurnal Matematika Vol 7 No 4 (2018)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2018.v07.i04.p223

Abstract

Partial least squares (PLS) regression and least absolute shrinkage and selection operator (LASSO) are the regression analysis techniques used to overcome the problems that can not be solved by ordinary least squares (OLS). The purpose of this research is to model and compare the performance of both PLS regression and LASSO to the diabetes mellitus study data which is divided into 30 groups of data redundancy as an example of microarray data. The survival time of diabetes mellitus patients as dependent variable while age, sex, body mass index, blood pressure, and six blood serum measurements as independent variables. By using paired sample t-test of adj R2 value, the result of this research concluded that the mean of adj R2 value of PLS regression is smaller than the mean of adj R2 value of LASSO. In other words, the performance of LASSO is better than PLS regression.
MODEL PERSAMAAN STRUKTURAL TINGKAT KEPUASAN PASIEN PADA KUALITAS LAYANAN RAWAT INAP LIA APRIYANI; EKA N. KENCANA; LUH PUTU IDA HARINI
E-Jurnal Matematika Vol 6 No 3 (2017)
Publisher : Mathematics Department, Faculty of Mathematics and Natural Sciences, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MTK.2017.v06.i03.p162

Abstract

Satisfaction level on inpatient service is determined by several factors such as the perceived quality about nursing and/or medical services. This study is directed to determine those factors that affect the satisfaction level of the patient families regarding the quality of inpatient service in one public hospital at Denpasar City of Bali. The data from 150 families who utilised inpatient services were collected by using a self-administered questionnaire and were analysed by applying factor analysis to extract the influential factors. In addition, the causal relationship among factors were studied by utilising partial least squares structural equation modeling (PLS-SEM). Factor analysis confirmed there are five influential factors in determining quality of services, i.e. attention, tangible aspects, assurance, reliability, and responsiveness. By positioning these factors as the exogenous and quality of inpatient services as the endogenous one, we found all factors had determination power as much as 36.6 percent. Furthermore, the satisfaction level regarding the quality of inpatient service had been significantly affected as much as 0.917 with the coefficient of determination’s value is 84.0 percent.
Co-Authors . Sukrianingsih AA Sudharmawan, AA GEDE ARY PRABHA YOGESSWARA I KOMANG GDE SUKARSA LIA APRIYANI LUH PUTU IDA HARINI Luh Putu Trisna Darmayanti NGURAH P. DWIPAYANA Ni Ketut Tari Tastrawati