• Title/Summary/Keyword: 다차원 자료 분석

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Affective Representations of Basic Tastes and Intensity using Multivariate Analyses (다변량분석방법을 이용한 미각 자극의 기본 맛과 강도에 따른 정서표상 )

  • Chaery Park;Inik Kim;Jongwan Kim
    • Science of Emotion and Sensibility
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    • v.26 no.2
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    • pp.39-52
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    • 2023
  • According to the core affect theory, affect consists of two independent dimensions of valence and arousal. Previous studies have found that various types of stimuli, such as pictures, videos, and music, are mapped onto the core affect space. However, the research on affect using gustatory stimuli has not been explored sufficiently. This study investigated whether the affects elicited by tastes could be mapped onto the core affect space. Stimuli were selected based on two factors (taste types and intensity). Participants were presented with each stimulus, evaluated the tastes, and rated their affective responses on taste and emotion scales. The data were analyzed using repeated-measures ANOVAs and multivariate analyses (multidimensional scaling and classification). The results of univariate analyses indicated that participants felt positive for sweet stimuli but negative for bitter and salty. Furthermore, participants reported high arousal with high intensity. Multidimensional scaling revealed that taste stimuli are also represented on the core affect dimensions. Specifically, it was confirmed that in the first dimension, sweetness was represented as a positive affect, while bitter and salty tastes were represented as a negative affect. In the second dimension, bitterness was represented as low arousal and sourness as high arousal. Classification analyses confirmed that the taste was identified consistently based on the affective responses within and across participants. This study showed that the taste stimuli in daily life are also located on core affect dimensions of valence and arousal.

Definition of Urban Flood Protection Elevation Using GIS and Benefit-Cost Analysis (GIS와 치수경제성 분석을 이용한 도시홍수방어수위 설정)

  • Shin, Sang-Young;Lee, Chang-Hee;Lee, Yang-Jae;Yeo, Chang-Geon
    • 한국공간정보시스템학회:학술대회논문집
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    • 2007.06a
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    • pp.424-429
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    • 2007
  • 침수 피해를 방지하고 경감하기 위해서는 침수범위와 침수심을 예측하여 예상침수심에 대응하기 위한 홍수방어대책 수립이 필요하다. 본 연구는 방어침수심보다 아래에 위치한 건축물에 대해서 거실용도로 사용을 제한하는 수방기준을 마련했을 경우에 대하여 비용편익 분석을 통한 경제성 분석을 수행하고자 한다. 한편, 침수지역 및 침수심 산정을 위하여서는 GIS를 이용한 분석이 필요하며, GIS 분석을 통하여 산정된 결과를 바탕으로 건물피해액과 건물내용물에 대한 피해액을 산정할 수 있다. 적용과정에서 현재 서울시에서 구축되어진 데이터 구축 자료의 특성에 맞게 다차원법에서 제시한 일부 방법들을 수정하였다. 본 연구 결과 방어침수심의 설정을 통해 건축물에 대한 홍수피해를 방지하고, 주민의 보호 등을 포함한 침수피해방지대책 계획 수립에 이용할 수 있을 것으로 판단된다.

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The effects of latent classes in social exclusion on the economic instability of old age (사회적 배제 잠재유형이 노후의 경제적 불안에 미치는 영향: 주관적 계층의식의 조절효과)

  • Kim, Soo Jin;Kim, Ju Hyun;Ju, Kyong Hee
    • 한국노년학
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    • v.40 no.1
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    • pp.33-49
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    • 2020
  • This study was conducted to examine the latent classes in social exclusion and to analyse empirically the effects on the economic instability of old age by this type. And it also sought to look at whether the influence of old age anxiety varies with the subjective class consciousness of the elderly. Using the 14th data from the Korea General Social Survey (KGSS) in 2016, 1,041 adult males and females aged 18 years old were analyzed at the time of the survey. T-test, potential layer analysis (LCA), and multinomantic analysis of potential groups were conducted using the STATA14 and MPLUS 7 statistical programs. Finally, multi-regression analysis was performed to identify the moderate effect and effects among variables. According to the research, the types of social exclusion were three groups, followed by social exclusion group (49.3%), Multi-dimensional exclusion group (30.9%), and active social participation group (19.7%). The social exclusion group has the lowest possibility of economic, employment, and health exclusion, but the exclusion of formal and informal social activities seem to prominent, and the multi-dimensional exclusion group is more than 50% likely to experience exclusion in all areas. Active social participation are characterized by very active participation in informal social activities. By conducting multinominal logistic regression, it was observed that the social exclusion group included more young people than other groups, and that the multi-dimensional exclusion group included many elderly women without spouses. Finally, multiple regression analysis showed that social exclusion type interacts with subjective class consciousness and affects economic anxiety of old age.

A Concept Mapping Study on Factors Inducing Dental Hygiene Student's Activeness During Clinical Practice (치위생학과 학생의 임상실습 적극성 유발요인에 대한 개념도 연구)

  • Kim, Hyeong-Mi;Jeong, Mi-Ae
    • The Journal of the Korea Contents Association
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    • v.20 no.5
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    • pp.359-366
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    • 2020
  • The purpose of this study is to explore factors inducing dental hygiene student's activeness during clinical practice. A conceptual study was conducted for dental hygiene students who participated in the clinical practice for the first semester of 2019. The focus question was, 'What factors induced activeness during clinical practice?', a total of 33 statements were drawn by analyzing the responses. Results of multidimensional scale analysis and cluster analysis, there are six factors that induce activeness 'provide information on clinical practice', 'possibility to participate in clinical practice', 'possibility of adaptation', 'attitude of educator', 'patience of educator', and 'attitude toward trainees'. Among them, the most factor inducing activeness was the 'possibility to participate in practice'. The four items inducing activeness were 'provide a training manual', 'can be observed closely,' 'practice for a sufficient period', and 'the educator's attitude is kind'. The results of this study could be used as basic data to enhance the clinical practice effect of dental hygiene students.

Dynamic Reconfiguration of Qis Visualization Spreadsheet (동적 재구성이 가능한 Qis Visualization Spreadsheet)

  • Jee, Sung-Hyun;Kwon, Young-Hee;Youn, Kil-Joong
    • Journal of the Institute of Electronics Engineers of Korea CI
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    • v.42 no.5
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    • pp.79-86
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    • 2005
  • The Qis visualizational spreadsheet environment is shown to be extremely effective in supporting the organized visualization of multi-dimensional data sets. The Qis consists of the reconfigurative 2D arrangement of spreadsheet elements at run time and each spreadsheet element has a novel framestack. As the feature, it supports 3D data structure of each element on the Qis. It enables the visualization spreadsheet to effectively manage, rapidly organize, and compactly encapsulate multi-dimensional data sets for visualization. Using several experiments with scientific users, the Qis has been demonstrated to be a highly interactive visual browsing tool for the analysis of multidimensional data, displaying 2D and 3D graphics, and rendering in each frame of the spreadsheet.

Development of the Multidimensional Scale of Addictive Behavior for Adolescents (청소년 중독행동의 다차원적 척도 개발)

  • Park, Hyun-Sook;Jung, Sun-Young
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.8
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    • pp.3597-3609
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    • 2012
  • Purpose: This study was done to develop the multidimensional scale of addictive behavior for adolescents. Methods: The process involved construction of a conceptual framework, initial items, verification of content validity, selection of secondary items, and extraction of final items. The participants were 636 adolescents in six middle schools and four high schools. Results: Seventy items were selected for the final scale, and categorized 8 factors explaining 56.5% of total variance. The factors were labeled as game addictive behavior, shopping addictive behavior, mobile phone addictive behavior, nicotine addictive behavior, television addictive behavior, gambling addictive behavior, alcohol addictive behavior, and internet addictive behavior. The scores for the scale were significantly correlated with addictive personality and self-control. Cronbach's alpha coefficient for the 70 items was .94. Scale scores identified adolescents as addictive behavior group, risk group, and average group. Conclusion: The above findings indicate that the multidimensional scale of addictive behavior for adolescents has good validity and reliability when used with adolescents. More importantly, it provides the first step toward developing a addiction prevention program. Additionally the scales provide an education or guideline, and proper physical and mental health management of youth in research and practice for the promotion of education.

Determination of Appropriate Flood Reduction Alternatives for Climate Change Adaptation in Gyeongan Watershed (기후변화 적응을 위한 경안천 유역의 적정 홍수저감 대안 선정)

  • Han, Dae-Gun;Choi, Chang-Hyun;Jang, Hong-Suk;Choi, Young-Joo;Kim, Duck-Hwan;Kim, Hung-Soo
    • Proceedings of the Korean Society of Disaster Information Conference
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    • 2015.11a
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    • pp.287-289
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    • 2015
  • 최근 기후변화로 인하여 태풍 및 집중호우로 인한 극한 강우사상의 발생빈도가 증가하고 있으며, 급격한 도시화로 인한 유역 내 불 투수 면적이 늘어나고 있다. 이로 인해 재산피해가 증가하고 있어 기후 변화를 고려한 미래 하천범람 등 홍수피해를 경감시키기 위한 홍수저감 대안 선정이 필요하다. 따라서 본 연구에서는 기후변화를 고려하여 목표기간별로(기준년도 : 1971~2010년, 목표기간 I : 2011~2040년, 목표기간 II : 2041~2070년, 목표기간 III : 2071~2100년) HEC-HMS모형을 이용하여 기후변화에 따른 홍수량을 산정하였다. 또한, 배수펌프(A~E)와 저류지(A~E)를 홍수저감 대안으로 설정하여 HEC-RAS모형을 통해 대안별 홍수위를 산정하였다. 지형자료 및 홍수위를 이용하여 홍수범람도를 도시하였으며, 다차원 홍수피해액산정법(Multi dimension - Flood Damage Analysis, MD-FDA)을 이용하여 홍수피해 저감을 위한 대안별 경제성분석을 실시하였다. 홍수저감효과를 분석한 결과 배수펌프를 설치했을 경우 홍수위는 최소0.06m, 최대0.44m 감소하였고, 저류지는 최소0.01m, 최대1.86m 감소하였으며, 침수면적은 최소 0.3%, 최대 32.64% 감소되는 것을 확인할 수 있었다. 또한, 경제성분석을 실시하여 대안별 편익 비용비를 비교한 결과 목표기간I에서는 저류지 E, 목표기간II, 목표기간III에서는 배수펌프D가 기후변화를 적응을 위해 타당한 홍수저감 대안으로 판단되었다.

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Multidimensional Dynamic Water Quality Modeling of Organic Matter and Trophic State in the Han River System (한강수계에서의 다차원 시변화 유기물 및 영양상태 모델 연구)

  • Kim, Eun-Jung;Park, Seok-Soon
    • Journal of Korean Society of Environmental Engineers
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    • v.35 no.3
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    • pp.151-164
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    • 2013
  • Multidimensional dynamic water quality model of organic matter and trophic state was applied to the Han River system. The model was calibrated using field measurement data obtained during the year of 2007. The model results showed reasonable performance in predicting temporal variations of TN, TP, Chl-a and BOD concentrations. The applied integrated modeling system can be effectively used to simulate water quality as well as hydrodynamic and water temperature for river-lake continuous system in the Han River. Utilizing the calibrated model, we analyzed the spatial and temporal distributions of TN, TP, Chl-a and BOD concentrations in the Han River system. The temporal variations of water quality at each river reach and lake were effectively simulated with the developed model and spatial distribution of water qualities in the Han River system could be compared. The multidimensional dynamic modeling system can simulate the water qualities of entire waterbody where Lake Paldang and the incoming flows are included using single modeling system. So it can be effectively used for integrated water quality management of the Han River system.

Category-based dimensional model of affective words (우리말 감성 어휘의 범주-차원 모형 - 직물 디자인의 시각적 요소와 관련하여 -)

  • 박수진;정찬섭
    • Science of Emotion and Sensibility
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    • v.2 no.1
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    • pp.77-94
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    • 1999
  • 직물 및 직물 관련 제품에서 주로 사용되는 감성 어휘들의 관계 및 구조를 분석하기 위해 잡지 및 설문 조사 과정을 통해 어휘를 수집하였다. 수집된 어휘의 빈도를 조사하고, 어휘 적절성을 평가하여 감성어라고 생각될 수 있는 어휘들만을 정리하였다. 여기서 추출된 372개의 어휘는 직물 및 직물 관련 상황에서의 감성어로 사용될 수 있을 분만 아니라 유사 분야의 감성어 모형에 대한 기본 자료로 활용될 수 있을 것이다. 어휘들 간 관계구조에 대한 분석은 몇 가지 면에서 이뤄졌다. 자유연상 과제를 실시하여 어휘들 간 관계의 연결망(network)을 확인할 수 있었다. 어휘들이 내포하고 있는 의미의 여러 측면에서 어휘들 간 관계를 파악할 수 있도록 어휘들에 대해 다차원 분석을 실시한 결과 어휘 간 관계는 3차원이면 충분히 설명될 수 있는 것으로 나타났다. 두 개의 주차원을 중심으로 어휘들의 공간 분포를 그리고 이들 어휘를 범주로 분류한 결과 대략 11개의 범주로 어휘들을 나눠볼 수 있었다.

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Competitive Benchmarking using Self-Organizing Neural Networks (자기조직화 신경망을 이용한 경쟁적 벤치마킹)

  • 민재형;이영찬
    • Proceedings of the Korea Inteligent Information System Society Conference
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    • 2000.11a
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    • pp.479-488
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    • 2000
  • 다양한 재무정보를 이용하여 기업간 경쟁적 벤치마킹을 수행하는 것은 매우 어려운 작업인 동시에 분석에 상담한 시간이 소요된다. 본 연구에서는 재무정보를 이용한 기업간 경쟁적 벤치마킹을 효과적으로 수행하기 위하여 대표적인 자율신경망 모형인 자기조직화 신경망을 분석에 이용하였다. 자기조직화 신경망은 다차원적인 재무자료를 2차원 출력 공간으로 투영함으로써 결과를 시각화하는데 매우 효과적이며, 시각화된 결과는 재무적인 경쟁우위에 따라 기업을 군집화함으로써 효과적인 경쟁적 벤치마킹을 수행할 수 있도록 한다. 본 연구에서는 1998년. 1999년, 그리고 2000년 상반기까지의 국내 제조업체 재무구조 분석사례에 자기조직화 신경함을 적용하여 재무적 경쟁우위에 따른 기업들의 군집화 모형으로서의 가능성을 제시하였다.

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