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Inference on measurements of agreement using marginal association
오명식 한국통계학회 2009 Journal of the Korean Statistical Society Vol.38 No.1
A statistical test concerning the comparison of two agreements for dependent observations is studied. The concept of stochastic ordering plays an important role in defining order of agreements. A one-sided likelihood ratio test for equality of two agreements is proposed. This test is closely related to the test of marginal homogeneity against marginal stochastic ordering. A real example is analyzed for illustration purposes.
한국 전통 담장의 조형성을 모티브로 한 남성 헤어 타투 디자인 작품 연구
오명식,이재숙 한국인체미용예술학회 2019 한국인체미용예술학회지 Vol.20 No.3
Traditional fences have given development-oriented creativity and inspiration and brought thoughts and ideas to diverse industries. This creative design work can be useful in hair tattooing as a way to express personality and personal propensities. The purpose of this study is to propose creative, diverse hairstyling for men who want to express their personal traits as well as to make a contribution to the development of the cosmetology industry by enhancing the artistic value of hair tattoos. For this, four hair tattoos have been created, and the results found the following: First, the yeongnongdam hair tattoo expressed smooth and rhythmic shapes with repetitive curves. It also illustrates a gentle modern man’s image by adopting structure hair styles. Second, the panseokdam hair tattoo delivers modern fined beauty with consecutive slanted cross lines. It has applied young hairstyles and created sharp design for active and future-oriented young adults. Third, the sagoeseokdam hair tattoo expresses the traditional beauty of simplicity by repeatedly lining up square patterns. With the adoption of classic hairstyles, it represents a classic gentleman’s beauty and simplicity. Fourth, the natural stone-fence hair tattoo creates a gentle image by repeating irregular oval patterns. With the adoption of perm styles, it produces an attractive, lively male image by neutralizing the conventional idea of male toughness. The results confirmed that traditional fence patterns are good motifs for hair tattooing. It is anticipated that there would be further studies on diverse hair tattoos with the expansion and diversification of the domestic cosmetology market.
오명식,Oh, Myong-Sik 한국통계학회 2008 Communications for statistical applications and me Vol.15 No.4
Oh (2008) has proposed the one-sided likelihood ratio test of the equality of two agreement measures. However the use of this test may be limited since the computations of test statistic and critical value are not easy. We propose a test for comparing two dependent agreements using some well known tests for marginal homogeneity, for instance, Bhapkar test, Stuart-Maxwell test. Data obtained from 2008 world figure skating championship ladies single is analyzed for illustration purposes. 종속된 두 개의 일치도를 비교하는 간단한 검정법을 제시하였다. Oh (2008)에 의해 연구된 우도비 검정은 순위 제약하의 검정기법을 사용함으로서 통계량의 계산이나 유의확률을 구하기가 까다롭다. 본 논문에서는 기존의 주변동질성(marginal Homogeneity)에 관한 검정법 즉 Bhapkar 혹은 Stuart-Maxwell 검정을 이용할 수 있는 검정법을 제시하였다. 제시된 검정법을 2008년 세계피겨스케이팅선수권대회의 여자싱글부분의 심판자료를 분석하였다.
부분우위순위를 이용한 부산외국어대학교 1997,1998년도 입학생의 내신등급별분포 비교
오명식 부산 외국어 대학교 2003 外大論叢 Vol.27 No.-
The high school ranking is known to be an important factor in predicting the academic performance of first year college students. We compare the high school rankings of freshmen of 1997 and 1998 at Pusan University of Foreign Studies. The main statistical tools employed for this problem is partially dominated ordering. Based on this studies the high school rankings of 1998 freshmen are higher than those of 1997 freshmen.
확률적순위를 이용한 제 15,16대 대통령선거 투표진행 비교
오명식 부산 외국어 대학교 2002 外大論叢 Vol.25-2 No.-
The distributional aspects of voters over time in 15th and 16th presidential elections, which were held in December 17, 1997 and December 19, 2002, repectively, are compared in the sense of stochastic ordering. Based on this study the voters in 16th presidential election were likely to vote earlier than in 15th presidential election.
아르데코 예술 양식을 모티브로 한 특수 머리 스타일 작품 연구
오명식,이재숙 한국인체미용예술학회 2019 한국인체미용예술학회지 Vol.20 No.1
In modern times, a individual’s personality is particularly emphasized so that a unique and distinctive aspect can be a great element. For example, art deco trends and styles were applied to diverse aesthetic fields and brought changes across society including art, handicraft, architecture, automobile and living. These art deco styles, which pursue functional and linear beauty while embracing past tradition, have given inspiration to various hairstyles as well as to many modern industries. Under these circumstances, this study attempted to investigate special hairstyles with an art deco style as a motif, and the results found the following: First, unique, creative styles were created based on simple, geometric art deco figures and patterns, using dreadlocks and cornrows. Second, unique, creative styles were created based on simple, geometric art deco figures and patterns using afro-perms and cornrows. Third, unique, creative styles were created based on exotic art deco figures and patterns using a braiding technique. Fourth, unique, creative styles were created based on fancy and ornamental art deco buildings and pictures using hair extensions. As a result, this study has created creative styles by applying art deco trends, architecture, handicraft, pictures and patterns to hair. It’s anticipated that there would be continued studies on diverse techniques and styles for the reinterpretation of formative art deco features and styles in modern hairstyling techniques. It’s also expected that such new attempts and techniques would make a contribution to the development of special hairstyles.
오명식,송대경,김보영,성용길 동국대학교 생명과학연구소 1995 생명과학연구논문집 Vol.2 No.-
Poly(1,4-butanediol succinate)/poly(1.4-butanediol dilactate succinate (PBS/PBDS) blends were prepared by the casting method. The effects of crystallization time and temperature on melting behavior of PBS/PBDS blends were investigated using differential scanning calorimetry. The main melting point and its peak size in PBS/PBDS blend system were increased with increasing isothermal crystallization time and crystallization temperature. The magnitudes of melting endotherms decreased with desreasing PBS concentration. The equilibrium melting temperatures, which were obtained from HoffmanWeeks plots of the observed melting points versus crystallization temperatures, decreased with decreasing PBS composition in each blend system. The compatibility of PBS/PBDS blend system was discussed using equilibrium melting point depressions. The proportionality factorγ which depends on the crystal thickness is also obtained using Hoffman-Weeks equation. The factor γ ranges from 1.24 (80/20,w/w) to 1.38 (20/80, w/w) for PBS/PBDS blend system, indicating a significant crystal thickening from the initial nucleation stage during the crystallization at the crystallization temperature (Tc). The biodegrdation behavior is studied using PBS and PBDS, as the sole carbon source by Aspergillus niger. The biodegration phenomena of PBS/PBDS(60/40, w/w) blend and PBS/PBDAS(60/40, w/w) blend were observed using microscope. The molecular weights of each polymer which were obtained from GPC analysis decreased after five weeks degradation.