• The Korean Journal of Applied Statistics
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• v.13 no.1
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• pp.197-206
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• 2000

For estimating missing cells in contingency table, we suggest an iterative method which extends IPF (Iterative Proportional Fitting) method. The suggested m~thod is not restricted by the number and the location of missing cells, and does not distort the given quasi-independency.

• Korean Institute of Interior Design Journal
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• v.14 no.6 s.53
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• pp.47-56
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• 2005

The purpose of this paper is to understand the meaning of 'institution' in Louis Kahn's architecture and to reveal that it is expressed through singularity and commonality, which have two aspects; formal-material(eidos-hyle) aspect and phenomenological aspect. Under these recognitions, this paper shows the detail analysis on design process of Phillips Exeter Academy Library, focusing on his writings and sketches. The results are as follows. First, the basic form is maintained through the design process of the Exeter library, and it is derived from the consideration of the human activities in the library. And second, each 'room' of the library acquires its singularity through structure and light. And the 'plan' is based on the commonality inherent in the singularity of each room. And the last, singularity and commonality are revealed not only In the relation of architectural elements but also In the relation with man and architecture.

• Journal of the Korean Institute of Rural Architecture
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• v.4 no.2
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• pp.27-37
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• 2002

From the point of tectonic manner which is 'how to build a house' this study considers the characteristics of Kan in Hyangdan(香壇) at Yang-Dong Village. It was analysed with primary elements such as Kan, condition of a site, module, structural system, roofing system and their relationships in spatial and formal composition. Through the analysis, findings were achieved that characteristics of Kan to form a rectangle of 1 to root 2 proportion plan, enable irregularity in usage and regularity in compositional aspect and structural system to achieve intended roof design. In addition, Kan as a module is found to have a relative value that also regulates the whole in structural and aesthetical aspects.

• Korean Institute of Interior Design Journal
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• v.17 no.5
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• pp.23-30
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• 2008

This thesis aims to analyze the visual perceptual effects drawn by 'axial composition and divergence' and to interpret the architecture of Kahn in respect of 'axial composition and divergence'. Axial composition of the form, the location of the entrance and divergence of internal movement were checked up about 53 works by extracting parti which is basic element of spatial composition. The 3D modeling simulation was performed for the selected 10 works in order to analyze the visual perceptual effect due to divergence of the internal movement. The reaction of the observer's actions and visual perception by 'axial composition and divergence' is presented in the following steps. 1. Divergence of the entrance/a panorama of expanding planes. 2. Divergence of internal movement/The process of perception of visual rotation and central spatial form. 'Perceptive form' created by 'divergence' is the result of diverse and flexible series of processes which must be experienced in person in order to reach the space as a room with a definite domain and center.

• The Korean Journal of Applied Statistics
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• v.16 no.1
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• pp.55-69
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• 2003

In this article, we propose the weighted LAD (least absolute deviations) estimators for multi-dimensional contingency tables and drive an estimation method to estimate the proposed estimators. To illustrate the robustness of the estimators, simulation results are presented for several models Including log-linear models and models for ordinal variables in multidimensional contingency tables. Examples were also introduced.

• Korean Institute of Interior Design Journal
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• v.14 no.3 s.50
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• pp.36-45
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• 2005

The aim of this study is to understand the meaning of Form drawing in which Louis 1. Kahn's principal thought is immanent through the detail analysis on design process of the Phillips Exeter Academy Library, based on his sketches and writings. The basic form is composed of three different space: one where students come together in the presence of books, another for the storage of books, and a third for reading in the light. Through the design process in the Exeter library, the basic form is maintained and it is derived from the consideration of the human activities in the library Particularly, the basic form is shaped around the idea that learning necessarily Involved two complementary activities: on the one hand, the quiet introspective act of reading, and the other, the interpersonal exchange of ideas. And the basic form plays an important role in controlling the relationship between program requirements and formal transformations in the design.

• Korean Institute of Interior Design Journal
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• v.15 no.2 s.55
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• pp.65-72
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• 2006

The purpose of this study is to show the development process of space concept by studying on the Louis I. Kahn's painting as pre-architectural thinking. Generally the idea of an architect is represented with lots of mediums, and the architectural thinking is developed through the process. In his early days, he, as an architect, made many travel sketches of Europe. In these clays, painting was the most significant medium to him. Since 1950's, he also left lots of sketches affected by abstract painting in addition to travel sketches. The results of this study were as follows: He found the image of antiquity from his painting and he made this image into abstraction in the facade. And the image of ruins was translated the layered space which was the transitional space. And he presented 'marche' through the series of painting of various view point. The Concept of 'marche' was translated into the connections of repetitive mass in the architectural space.

• Proceedings of the Korea Information Processing Society Conference
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• 2008.05a
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• pp.382-385
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• 2008

본 논문은 게임 풀이를 통해서 모델 체킹 도구의 특징을 분석한다. 도망자-추적자 게임은 격자 모양의 미로에서 도망자가 추적자를 따돌리고 탈출하는 게임이다. 도망자가 격자 상에서 한 칸 움직일 때, 추적자는 일정한 패턴을 가지고 두 칸 움직인다. 이 문제를 SMV와 SPIN 모델 체커로 모델링하고 검증하는 과정을 통해서 SMV와 Spin 모델 체커의 특징을 분석한다. 실험을 통해서 우리는 최단 경로를 찾을 경우는 SMV 모델 체커를 사용해야 하고, 가능한 경로를 빨리 찾는 경우는 Spin 모델 체커가 더 적합함을 확인할 수 있었다.

• Proceedings of the Korean Statistical Society Conference
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• 2002.05a
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• pp.149-151
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• 2002

• Proceedings of the Korean Vacuum Society Conference
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• 2009.08a
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• pp.307-307
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• 2009