• Title/Summary/Keyword: Location Propriety

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Noninformative priors for the common location parameter in half-normal distributions

  • Kang, Sang-Gil;Kim, Dal-Ho;Lee, Woo-Dong
    • Journal of the Korean Data and Information Science Society
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    • v.21 no.4
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    • pp.757-764
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    • 2010
  • In this paper, we develop the reference priors for the common location parameter in the half-normal distributions with unequal scale paramters. We derive the reference priors as noninformative prior and prove the propriety of joint posterior distribution under the general prior including the reference priors. Through the simulation study, we show that the proposed reference priors match the target coverage probabilities in a frequentist sense.

Reference Priors for the Location Parameter in the Exponential Distributions

  • Kang, Sang-Gil;Kim, Dal-Ho;Lee, Woo-Dong
    • Journal of the Korean Data and Information Science Society
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    • v.19 no.4
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    • pp.1409-1418
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    • 2008
  • In this paper, we develop the reference priors for the common location parameter in two parameter exponential distributions. We derive the reference priors and prove the propriety of joint posterior distribution under the general prior including the reference priors. Through the simulation study, we show that the proposed reference prior matches the target coverage probabilities in a frequentist sense.

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The Propriety of Design Outlet Conduit of Dam by Hydraulic Model Experiments (수리모형실험을 활용한 댐 방류관 설계의 적정성 검토)

  • Choi, Byong-Kyu;Kang, Tae-Ho;Jung, Yo-Han
    • Journal of Korea Water Resources Association
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    • v.36 no.5
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    • pp.811-821
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    • 2003
  • In this study is if the design of outlet conduit was appropriate or not by analyzing flow characteristic of outlet conduit with performing hydraulic model experiments. As the results of hydraulic model experiments, the capacity of outlet conduit of elementary design was under estimated, and the designed values of the capacity of outlet conduit of preliminary design based on the values of elementary design was nearly equal to the values of experiments, so the propriety of design was identified. In addition, as the results of examinations of negative pressure of outlet conduit, and propriety of longitudinal sections, the resulting values were within the maximum permissible limits, so it was proved that the design was appropriate. In the base of such processes, the propriety of scale and location of outlet conduit of preliminary design was examined.

A Study on the Planning of Cultural Art Center in Small City (소도시 문예회관 계획에 대한 연구 - 홍성군 광천복지문예회관을 중심으로 -)

  • Han, Jong-Koo;Jang, Dong-Min
    • Journal of the Korean Institute of Rural Architecture
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    • v.11 no.1
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    • pp.1-8
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    • 2009
  • The study performed literature survey and research on the actual condition of cultural facilities for planning a reasonal architectural plan of being prearranged Gwangcheon cultural art center erection at the old central district of Gwangcheon-Eup(town) in Hongseong-Gun(County), Chuncheongnam-Do(province). It was verified that the law and regulations related with cultural art facilities did not make clear statement of the concept of cultural art center and classified it as a public performing place of a kind of performance facilities. The types of cultual facilities could be classified as performance facilities, libraries, regional cultural welfare facilities, cultural promotion and instruction facilities and they were studied respectively. The main functions of cultural art center was studied with art enjoyment function and art creation function. Through the research on the actual condition of cultural facilities, it was found that there were 12 cultural welfare facilities in Hongseong-Gun(county) however there was no cultural facilities in Gwangcheon-Eup(town) except 1 libraries. So the building of Gwangchoen cultural art center is needed. The location Propriety analysis is conducted and proved appropriated. On the basis of the above studies, the direction of planning, conception of Plan and facilities program were conceived and finally the architectural plans were proposed.

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A Study on Demonstrating the Propriety of the Location for Police for Jigudea(police box) by Crime GIS Analysis (범죄GIS를 통한 지구대의 위치분석)

  • Hwang, Cho-Hee;Suh, Yong-Cheol
    • 한국방재학회:학술대회논문집
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    • 2008.02a
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    • pp.357-360
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    • 2008
  • The purpose of this research is to demonstrate the propriety of the locations of the Jigudea(police boxes) through time and spatial analysis. The study area was limited to BusanJingu of Busan city which includes Seo-myeon district; the biggest downtown in Busan city. In this case, monthly crime position occurrence number of times by time analysis, criminal occurrence number of times and the position have some similarities. In case of Jigudea(police boxes) which handle crime, throngs were piled up. The other case of position which crime, there is no Jigudea(police boxes) in group or two were situated. As a result, it is required that Jigudea(police boxes) in Jin-gu should be rearranged and relocated properly.

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Noninformative priors for the common location parameter in half-t distributions

  • Kang, Sang-Gil;Kim, Dal-Ho;Lee, Woo-Dong
    • Journal of the Korean Data and Information Science Society
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    • v.21 no.6
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    • pp.1327-1335
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    • 2010
  • In this paper, we want to develop objective priors for the common location parameter in two half-t distributions with unequal scale parameters. The half-t distribution is a non-regular class of distribution. One can not develop the reference prior by using the algorithm of Berger of Bernardo (1989). Specially, we derive the reference priors and prove the propriety of joint posterior distribution under the developed priors. Through the simulation study, we show that the proposed reference prior matches the target coverage probabilities in a frequentist sense.

Regional Grouping of Transmission System Using the Sequential Clustering Technique (순차적 클러스터링기법을 이용한 송전 계통의 지역별 그룹핑)

  • Kim, Hyun-Houng;Lee, Woo-Nam;Park, Jong-Bae;Shin, Joong-Rin;Kim, Jin-Ho
    • The Transactions of The Korean Institute of Electrical Engineers
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    • v.58 no.5
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    • pp.911-917
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    • 2009
  • This paper introduces a sequential clustering technique as a tool for an effective grouping of transmission systems. The interconnected network system retains information about the location of each line. With this information, this paper aims to carry out initial clustering through the transmission usage rate, compare the similarity measures of regional information with the similarity measures of location price, and introduce the techniques of the clustering method. This transmission usage rate uses power flow based on congestion costs and similarity measurements using the FCM(Fuzzy C-Mean) algorithm. This paper also aims to prove the propriety of the proposed clustering method by comparing it with existing clustering methods that use the similarity measurement system. The proposed algorithm is demonstrated through the IEEE 39-bus RTS and Korea power system.

A Study on the Propriety of the Medical Insurance Fee Schedule of Surgical Operations - In Regard to the Relative Price System and the Classification of the Price Unit of Insurance Fee Schedule - (수술수가의 적정성에 관한 연구 - 상대가격체계와 항목분류를 중심으로 -)

  • Oh Jin Joo
    • Journal of Korean Public Health Nursing
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    • v.2 no.2
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    • pp.21-44
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    • 1988
  • In Korea, fee-for service reimbursement has been adopted from the begining of medical insurance system in 1977, and the importance of the relative value unit is currently being investigated. The purpose of this study was to find out the level of propriety of the difference in the fees for different surgical services, and the appropriateness of the classification of the insurance fee schedule. For the purpose of this study, specific subjects and the procedural methodology is shown as follows: 1. The propriety of the Relative Price System(RPS). 1) Choice of sample operations. In this study, sample operations were selected and classified by specialists in general surgery, and the number of items they classified were 32. For the same group of operations the Insurance Fee Schedule(IFS) classified the operations into 24 separate items. In order to investigate the propriety of the RPS, one of the purpose of this study, was to examine the 24 items classified by the IFS. 2) Evaluation of the complexity of surgery. The data used in this study was collected The data used in this study was collected from 94 specialists in general surgery by mail survey from November I to 15, 1986. Several independent variables (age, location, number of bed, university hospital, whether the medical institution adopt residents or not) were also investigated for analysis of the characteristics of surgical complexity. 3) Complexity and time calculations. Time data was collected from the records of the Seoul National University' Hospital, and the cost per operation was calculated through cost finding methods. 4) Analysis of the propriety of the Relative Price System of the Insurance Fee Schedule. The Relative Price System of the sample operation was regressed on the cost, time, comlexity relative ,value system (RVS) separately. The coefficient of determination indicates the degree of variation in the RPS of the Insurance Fee Schedule explained by the cost, time, complexity RVS separately. 2. The appropriateness of the classification of the Insurance Fee Schedule. 1) Choice of sample operations. The items which differed between the classification of the specialist and the classification of medical, Insurance Fee Schedule were chosen. 2) Comparisons of cost, time and complexity between the items were done to evaluate which classification was more appropriate. The findings of the study can be summarized as follows: 1. The coefficient of determination of the regression of the RPS on-cost RVS was 0.58, on time RVS was 0.65, and on complexity RVS was 0.72. This means that the RPS of Insurance Fee Schedule is improper with respect to the cost, time, complexity separately. Thus this indicates that RPS must be re-shaped according to the standard element. In this study, the correlation coefficients of cost, time, complexity Relative Value System were very high, and this suggests that RPS could be reshaped I according to anyone standard element. Considering of measurement, time was thought to be the most I appropriate. 2. The classifications of specialist and of the Insurance Fee Schedule were compared with respect to cost, time, and complexity separately. For complexity, ANOVA was done and the others were compared to the different values of different classifications. The result was that the classification of specialist was more reasonable and that the classification of Insurance Fee Schedule grouped inappropriately several into one price unit.

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Ecological Case Study of Eco-bridges in Korea: State and Problem (야생동물 생태학적 사례연구를 통해서 본 교량형 생태통로의 현황 및 문제점)

  • Choi, Byung-Jin;Jo, Yeong-Seok;Jeong, Jong-Chul;Kim, Joo-Pill
    • Journal of Environmental Impact Assessment
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    • v.16 no.4
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    • pp.285-300
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    • 2007
  • The purpose of this study was to ascertain the ecological state and problems of eco-bridges on Korean roads. The study was conducted from March to April 2007 by checking ecological factors and wildlife around the eco-bridges and habitats. 8 representative eco-bridges were selected by their bridge shape and condition of location. After field survey, we analyzed ideal trails for wildlife using field data, digital topology maps, satellite images, and land use map. In addition to trail analysis, we identified the propriety of the eco-bridges through Population Viability Analysis. Because of unsuitable location and management, we found that most of the bridges are not proper for wildlife dispersal. Moreover, in some habitats, we could expect that some local populations might be extinct without appropriate treatments.

Regional Grouping of the interconnected network system through Sequential Clustering (순차적 클러스터링을 이용한 지역별 그룹핑)

  • Kim, Hyun-Hong;Song, Hyoung-Yong;Kim, Jin-Ho;Park, Jong-Bae;Shin, Jung-Rin
    • Proceedings of the KIEE Conference
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    • 2007.11b
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    • pp.252-254
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    • 2007
  • This paper introduces the method of sequential clustering as a tool for the effective clustering of mass unit electrical systems. The interconnected network system retains information about the location of each line. With this information, this paper aims to carry out initial clustering through the transmission usage rate, compare the results of similarity measures for regional information with similarity measures for regional price, and introduce the technicalities of the clustering method. This transmission usage rate used power flow based on congestion costs and modified similarity measurements using the FCM algorithm. This paper also aims to prove the propriety of the proposed clustering method by comparing it with existing clustering methods that use the similarity measurement system. The proposed algorithm is demonstrated through the IEEE 39-bus RTS.

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