• 제목/요약/키워드: Y Factor Method

검색결과 13,057건 처리시간 0.055초

해상테러 위험요소의 구조와 우선순위 분석 (An Analysis on Structure of Risk Factor for Maritime Terror using FSM and AHP)

  • 장운재;양원재;금종수
    • 한국항해항만학회지
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    • 제29권6호
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    • pp.487-493
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    • 2005
  • 전 세계는 테러리스트에 의한 세계무역센터의 공격으로 인해 테러로부터의 안전과 보호를 강화하기 위해 초점이 맞추어져 있다. 본 연구는 해상테러 위험요소의 구조와 우선순위를 분석하고자 한다. 이를 위해 먼저 테러의 유형과 사례를 토대로 브레인스토밍법을 이용하여 해상테러 위험요소를 추출하였고, 퍼지구조모델법을 이용하여 위험요소를 그래프로 구조화 하였으며, 계층분석법을 이용하여 위험요소간의 우선순위를 분석하였다. 그 결과 외부영향이 가장 큰 위험요소인 것으로 나타났다.

실제 설치 및 유지보수 조건을 고려한 고속도로 터널조명 보수율 산정 연구 (A Study on the Calculation of Maintenance Factor(MF) of Tunnel Lighting in Expressway Considering the Actual Installation and Maintenance Conditions)

  • 이민욱;박광용;김필영;박용진;김훈
    • 조명전기설비학회논문지
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    • 제27권3호
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    • pp.7-15
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    • 2013
  • In lighting design, the calculation of maintenance factor is performed by calculation considering light source, characteristics of luminaire and environmental factors. The method to calculate the current maintenance factor applied to tunnel lighting design takes into consideration only pollution factors in tunnels. In addition, the calculation method should be change in response to changes of tunnel conditions and used light sources. In this study, the calculated factor of the maintenance factor in tunnel is determine by four calculation factors generally applied to the calculation of maintenance factor. This study examined the method of calculating the maintenance factor of tunnel lighting that can be applied according to the installation conditions in designing tunnel lighting by applying the actual installation data of luminaire.

강원도 영동권 지역 대학생들의 외식동기에 의한 정보탐색방법 (The Information Search Method According to Eating-out Motivation of College Students in Eastern Area of Kangwon Province)

  • 윤태환
    • 한국식품조리과학회지
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    • 제22권2호
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    • pp.213-221
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    • 2006
  • Although motivation and information search have both been studied continuously and separately as important marketing strategies, the relation between cause and effect has received little research attention. Therefore the objective of this study was to research the causal relationships between motivation and information search method. Frequency analysis and reliability analysis, factor analysis, and SEM(Structure Equation Model) were adopted to analyze the data. Motivation was divided into 5 factors which significantly influenced information search method. Factor 1, 'Reception and congratulation', influenced information search positively through 'newspaper, magazine', and 'word of mouth' but negatively through 'TV-advertising' and 'Flyer, Press copy'. Factor 2, 'Change of dietary life', influenced positively 'TV-advertising'. Factor 3, 'Economic saving', influenced positively 'newspaper, magazine', and 'the e-mail's advertising' Factor 4, 'Preference motivation', influenced negatively 'word of mouth' Factor 5, 'Advertisement and companion's need', influenced positively 'newspaper, magazine', and 'the e-mail's advertising' but negatively 'TV-advertising' As a result, customers appeared to choose various information search methods according to their eating-out motivation. 'The e-mail's advertising', and 'word of mouth' are popular among customers' information search methods. Therefore, food-service corporations need to try eliminating negative images of various advertisements and activate positive word of mouth marketing, promotion through internet.

다구찌 기법을 적용한 강의만족도 향상 사례 연구 (A Study on Improving Lecture Satisfaction using Taguchi Method)

  • 이상복
    • 품질경영학회지
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    • 제42권1호
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    • pp.63-70
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    • 2014
  • Purpose: This article introduces a case study of using Taguchi Method to improve lecture satisfaction. Developed by Taguchi Genichi, this method has its strength in finding the control factor that is robust against noise factor. Finding the condition for such control factor has an effect of reducing the dispersion of the Lecture satisfaction. Methods: There are various factors in university classrooms. The factors which influenced the Lecture Satisfaction are analyzed by control factors and noise factors, control factors which is controllable are lecture completeness and thoroughly test the degree of supervision and noise factors which is not controllable is degree of physical and psychological Lecturer tired, then the experiment is conducted as guided by Taguchi's experimental design, one semester are experimented by eight professor with 2 classes, after discussion of the results the optimal lecture condition is suggested. Results: To improve Lecture Satisfaction under noise factor of physical and psychological Lecturer tired, optimal condition are that lecture completeness have scenario note during lecture and thoroughly test the degree of supervision have two proctors during test. Conclusion: In this paper, we have succession case by applying Taguchi methods in Lecture Satisfaction. We can apply to improve service by applying the Taguchi methods. In the future we hope to have many succession cases.

결혼초기 남편과 아내의 부부갈등과 갈등대처방식이 결혼만족도에 미치는 영향 (The Effects of Marital Conflict and Conflict-Coping Method on Coulpe's Marital Satisfaction in Early Stage of Marital Life)

  • 이선미;전귀연
    • 가정과삶의질연구
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    • 제19권5호
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    • pp.203-220
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    • 2001
  • The purpose of this study is to investigate how the marital conflict and the conflict-coping method of self and spouse have an effect on the marital satisfaction in the early stage of marital life. The subjects of this study are the 132 couples in the area of Taegu and Pohang city. The instruments of measurement are marital conflict scale, conflict-coping method scale and Kansas marital satisfaction scale(KMSS). The data are analysed through factor analysis, Cronbach's ${\alpha}$, frequency, percentile, mean, standard deviation, paired t-test and stepwise regression analysis. The major findings of this study are as follows: Firstly, as a result of figuring out couples' marital conflict, husbands and wives are having the highest conflict in the personality factor. The difference of marital conflict between husbands and wives is shown significant in the relative factor. Secondly, as a result of figuring out couples' conflict-coping method, husbands and wives use mostly the reasonable behavior and leastly physical aggression. The difference of conflict-coping method between husbands and wives is shown significant in the verbal aggression, adjustment renunciation and physical aggression. Thirdly, as a result of figuring out how the marital conflict and the conflict-coping method of self and spouse have an effect on the marital satisfaction, the communication factor of the conflict factors, the wives' verbal aggression perceived by husbands, and the reasonable behavior of the self have much effect on the marital satisfaction in case of husbands. And the personality factor, sexual factor and role factor of the conflict factors and the husbands' verbal aggression and reasonable behavior perceived by wives have much effect on the marital satisfaction in case of wives.

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Daylight Factor Method를 이용한 채광창의 설계 (Design of Daylighting Aperture Using Daylight Factor Method and its Evaluation by Distribution of Sky Component)

  • 지철근;권영혜
    • 한국조명전기설비학회지:조명전기설비
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    • 제3권1호
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    • pp.58-63
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    • 1989
  • 이등분한 실의 주광율(Daylight Factor)의 비를 규제도의 지수로서 Lumen Method와 같이 정하고, 이를 만족하는 실의 깊이를 검토한 후, 설계 평균 주광율을 만족하는 창의 면적을 구하였다. 본 논문에서 제안한 창의 면적 자체가 다른 벽면의 면적 변화에 영향을 주고 있음을 고려하지 않은 종래의 방법을 개선하였다. 이후 주광율 요소 중 가장 지배적인 양인 운천공으로부터 입사하는 성분(SCo: Sky Component from overcast Sky)의 분포를 창의 위치와 형태를 변화시켜 조사, 평가하였다.

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붓스트랩 방법을 이용한 이항분포자료에 대한 요인수 결정에 관한 연구 (A bootstrap approach for factor numbers in binary data)

  • 김성호;정미숙
    • 응용통계연구
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    • 제8권2호
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    • pp.201-216
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    • 1995
  • 본 연구에서는 관측변수들이 이항확률변수일 때, 요인의 갯수를 찾는 방법을 모색하였다. 이를 위해 붓스트랩 방법을 사용하여 요인수 결정 기준을 제시하였고, 모의실험을 통하여 이 제시된 기준의 유용성을 보였다.

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Computing Fractional Bayes Factor Using the Generalized Savage-Dickey Density Ratio

  • Younshik Chung;Lee, Sangjeen
    • Journal of the Korean Statistical Society
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    • 제27권4호
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    • pp.385-396
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    • 1998
  • A computing method of fractional Bayes factor (FBF) for a point null hypothesis is explained. We propose alternative form of FBF that is the product of density ratio and a quantity using the generalized Savage-Dickey density ratio method. When it is difficult to compute the alternative form of FBF analytically, each term of the proposed form can be estimated by MCMC method. Finally, two examples are given.

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광속전달법에서의 효율적인 Form Factor 계산방법에 관한 연구 (The Study on form Factor Computation Methods in the Luminous Flux Transfer Method)

  • 최안섭
    • 한국조명전기설비학회:학술대회논문집
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    • 한국조명전기설비학회 2001년도 학술대회논문집
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    • pp.17-22
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    • 2001
  • This paper gave a review of form factor computations in the luminous flux transfer method and practical application of DiLaura's recently developed form factor computation. A systematic analysis of how the results of a contour integration solution differ from those of existing numeric solutions were undertaken with a developed computer simulation program. Various situations between sending and receiving surfaces were considered, including the facing, size, and distance between surfaces.

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Outlier Detection in Random Effects Model Using Fractional Bayes Factor

  • Chung, Younshik
    • Communications for Statistical Applications and Methods
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    • 제7권1호
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    • pp.141-150
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    • 2000
  • In this paper we propose a method of computing Bayes factor to detect an outlier in a random effects model. When no information is available and hence improper noninformative priors should be used Bayes factor includes the unspecified constants and has complicated computational burden. To solve this problem we use the fractional Bayes factor (FBF) of O-Hagan(1995) and the generalized Savage0-Dickey density ratio of Verdinelli and Wasserman (1995) The proposed method is applied to outlier deterction problem We perform a simulation of the proposed approach with a simulated data set including an outlier and also analyze a real data set.

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