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최재성,Choi, Jaesung 한국통계학회 2016 응용통계연구 Vol.29 No.2
본 논문은 고정요인과 확률요인의 혼합모형에서 추정가능함수를 논의하고 있다. 고정효과모형에서 정의된 추정가능 함수가 혼합효과모형에서 어떻게 정의되어야 하는 가를 규정하고 추정가능함수의 분산추정치를 구하는 방법을 제시하고 있다. 또한 혼합모형에서 분산성분의 추정을 위한 제곱합의 계산에 상수적합법을 이용하고 추론을 위한 자유도의 계산에 Satterthwaite의 근사화를 다루고 있으며 분산성분을 구하기 위한 모형의 적합방식으로 단계별 방법을 적용하고 있다. 모형의 단계별 적합에서 주어지는 모형행렬의 사영을 이용한 제1종 제곱합의 계산방식이 제공되며 사영을 이용한 변동요인별 제1종 제곱합의 기댓값 계산에 Hartley의 합성법이 논의된다. This paper discusses how to establish estimable functions when there are fixed and random effects in design models. It proves that estimable functions of mixed models are not related to random effects. A fitting constants method is used to obtain sums of squares due to random effects and Hartley's synthesis is used to calculate coefficients of variance components. To test about the fixed effects the degrees of freedom associated with divisor are determined by means of the Satterthwaite approximation.
최재성 서울신학대학교 기독교신학연구소 2012 神學과 宣敎 Vol.40 No.-
The purpose of this article is to study the relationship of evangelism to the Holy Spirit. All learning begins from definition. Because the definition makes exact understanding of the learning possible and applicable methods and strategies in practical life being drawn. So does the evangelism. Many scholars have defined what evangelism is so far. The best of them is the definition of evangelism in the Lausanne Covenants 1974 as is generally known. It helps us grasp properly the essence of biblical evangelism. When we make sense of evangelism, one of the most overlooked factors is that the starting point of evangelism is the Trinity, not human beings. God the Father was to send his son into the world for humanity’s redemption, God the Son was voluntarily to come into the world for the fulfillment of redemption, God the Holy Spirit was to apply salvation to sinners. Thus, evangelism is closely related with the Spirit. In these settings, the researcher inquired into what role the Holy Spirit played in each of three phases of ‘presence’ (P1), ‘proclamation’ (P2), and ‘persuasion’ (P3), which they were significant terms in regard to the definition of evangelism the Lausanne Covenant defined. For this, each of three chapters begins with the meaning of P1, P2, and P3 on details, and then analyzed how the Spirit has an effect on evangelists and hearers in each stage of them. In this respect, this article would have some implications. To begin with, we can reveal clearly what evangelism is or not. Secondly, Holiness is the best strategy for evangelism when we consider the crucial role of the Holy Spirit in each step. Thirdly, the necessity of evangelism based on relationship, as the way and strategy of evangelism, will be emphasized more. Fourth, we can avoid the risks of viewing evangelism and social involvement as a black and white issue because words and deeds are complementarily entangled in evangelism. Finally, evangelism, in a sense, is the process including three phases (3P).
최재성,박재근 한국물리학회 2015 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.66 No.12
The electrical characteristics of a nanolaminated atomic layer deposition (ALD) HfAlO/InGaAs metal-oixde-semiconductor (MOS) capacitor with NH3 plasma passivation are investigated. Results show that the samples with NH3 plasma passivation exhibit better capacitance behavior with relatively small frequency dispersion in the inversion region than the unpassivated sample. The leakage current level of the NH3 plasma-passivated samples shows a much lower value compared to the unpassivated sample. The mid-gap value for the density of interface traps, Dit, also shows that NH3 plasma-passivated samples have relatively low values compared to the unpassivated sample. Superior electrical performance, compared to the unpassivated sample, was demonstrated with NH3 plasma passivation through those electrical characterizations.