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이상복,손중권,정성석,Lee Sang Bock,Sohn Joong-Kweon,Chung Sung Suck 한국통계학회 2005 응용통계연구 Vol.18 No.1
본 연구에서는 중등학교 통계교육을 위하여, 제7차 수학과 교육과정 중 고등학교에서 사용하는 검정교과서 수학 1과 국정교과서 확률과 통계의 확률통계 영역을 중심으로 용어와 개념 및 표현을 비교, 연구하였다. 검정과 국정교과서의 표본표준편차의 정의가 일치되지 않았으며, 표분평균의 분산과 중심극한정리에 대한 개념설명이 교과서마다 상이하였다. 또한, 확률변수 개념 설명이 불분명 한 교과서도 발견되었다. 본 연구에서는 오류의 수정과 더불어 표본분산으로 불편추정량을 사용할 것을 제안하였다. In Korea, mathematics education has been taken according to the 7th national mathematics curriculum renovated by the Ministry of Education and Human Resources Development announcement in 1997. The education of probability and Statistics has been carried out as a part of this curriculum. We analyze and compare mathematics 1 textbooks for 11-12 grade students. Descriptions of random variable, sample variance and sample standard deviation, distribution of sample mean, and etc. which are on some textbooks, are misleaded in school education. We suggest the unbiased estimator of sample variance in accordance with textbooks and central limit theorem of sample mean under normal population.
데이터마이닝기법상에서 적합된 예측모형의 평가 -4개분류예측모형의 오분류율 및 훈련시간 비교평가 중심으로
이상복,Lee, Sang-Bock 한국데이터정보과학회 2001 한국데이터정보과학회지 Vol.12 No.2
CHAID, logistic regression, bagging trees, and bagging trees are compared on SAS artificial data set as HMEQ in terms of classification accuracy and training time. In error rates, bagging trees is at the top, although its run time is slower than those of others. The run time of logistic regression is best among given models, but there is no uniformly efficient model satisfied in both criteria. 의사결정나무모형 가운데 하나인 CHAID, 로지스틱 회귀모형, 이들을 이용한 각각의 베깅모형 등 4가지 예측분류모형에 대한 오분류율과 훈련시간을 표본크기별로 계산하고, 이들 모형에 대한 모의실험 비교를 통하여 주어진 알고리즘들의 효율성을 평가하였다. 베깅 의사결정나무모형은 오분류율은 낮았으나 상대적으로 훈련시간이 가장 길었다.
이상복,김말숙,Lee, Sang-Bock,Kim, Mal-Sook 한국데이터정보과학회 1998 한국데이터정보과학회지 Vol.9 No.2
This thesis is to propose the method of evaluating the validity in stages on the design of a checklist based on the estimate theory of the validity on the design of a checklist and the method of evaluating the validity accordy to the purpose for usiug checklist and establish the standards of estimating the validity in stages on the checklist owing to the estimate theory with the journal, Journal of the Korean Society of Clothing and Textiles. We are emboding the statistical consulting server using the proposed estimate method of the validity and the followings we the questions to solve in future. First, there are many kinds of the statistical methods used in the fields of learing and applied technalogy. So we must establish the statistical standars required in each field and study and develope the special statistical checklists. Second, it is neded to systemize the estimate methods and standard on the validity by building the statistical consult DB, evaluate the researchers according to the degrees of statistical knowledge the validity of study design iud propose the delicate and generalized statistical methods appropriate to the ability of researchers.
이상복,박병구,Lee, Sang-Bock,Park, Byung-Gu Korean Data and Information Science Society 1991 한국데이터정보과학회지 Vol.2 No.-
A different approach to the evaluation of mean residual life function under the random censorship model is presented. For small sample sizes, the performances between the proposed estimator and other estimators for men residual life function are compared in terms of bias and mean square error via a Monte Carlo study.
이상복(Lee Sang-Bock),이정용(Lee Jeong-Yong),안민주(An Min-Ju) 한국체육과학회 2008 한국체육과학회지 Vol.17 No.1
Exercise is very important element for successful aging. Among many sports events, Korea is the suzerain of Taekwondo. When competing (Taekwondo Free Fighting) after learning Poomse as basic movements and inuring them, people compete with movements depending on situation. Among Poomses of Taekwondo, Taegeuk Poomse consists of very basic movements from 1 Jang to 8 Jang and they are for inuring to body. In order to prescribe Taegeuk Jang, which is the basic movement of Taekwondon that Korea is the suzerain, as an excercise for successful agin, it is necessary to analyze physical activity level of each Taegeuk Jang (From 1 Jang through 8 Jang) and suggest the same. Therefore, in this study, I analyzed physical activity level of each Jang of Taegeuk Poomse by attaching Armband made by Body Media Company on brachia and legs below knee of Taekwondo trainees. The result of the analysis of the whole momentum from Taegeuk 1 Jang to 8 Jang is as follows : First, the average absolute value of acceleration variation of vertical direction signal (L-MAD) : 5.15. Second, the average absolute value of acceleration variation of horizontal direction signal(T-MAD) : 3.44. Finally, the average of calorie consumption per minute (AEE/Min) : 5.06 Cal. The obtained result corresponds to proper exercise condition for successful aging and it can be utilized as data for excercise prescription for the young and the old.
이상복(Lee, Sang-bock) 한국군사문제연구원 2017 한국군사 Vol.1 No.-
최근 우리 군의 초급간부들이 우수한 역량을 갖추고 있으나, 전투경험의 부재, 부대관리 차원의 교육훈련으로 인한 전장상황 장악능력과 전투지휘 능력의 취약으로 이들에 대한 배양이 절실히 요구되고 있다. 본 논문은 전장 환경의 특성과 전장심리, 전투사례의 교훈을 도출함으로써 전쟁초기 장병들의 심리적 안정을 유지하고 적과 싸워 이길수 있는 효과적인 전의 고양 방안을 제시하는데 목적이 있다. 전쟁 초기 심리적 안정과 전의 고양을 위해서는 먼저 전장의 특성과 전장에서의 인간심리를 이해하고, 전시에 통할 수 있는 전장적응훈련이 요구된다. 특히 전쟁초기 장병들의 심리적 안정을 위한 전투의지 교육은 평시에 부단한 대적관 확립을 위한 정신교육과 전시대비 교육훈련, 생활화교육, 사생관 확립을 위한 종교활동 등을 통해서 간접경험을 더욱 확충해 나가야 한다. 또한 실전에서 발생할 수 있는 여러 가지 부적응 현상을 극복하기 위한 전문적인 연구기관을 조성하고, 한반도 전장환경과 우리 군의 특성에 맞는 체계적인 연구가 이루어져야 할 것이다. Recently, the junior officers of our military have excellent competence, but they lack combat experience, training, and unit management training. So we urgently need to cultivate their abilities to control battlefield situation and combat command ability. The purpose of this study is to present the effective characteristics of the battlefield to protect the psychological stability of soldiers at the beginning of the war and the effective improvement plan to uplift to fighting spirit. For the psychological stability and the fighting spirit, we need to understand the characteristics of the battlefield and human psychology on the battlefield, and also to make battle adaptation training to battle environment in the early stage of the war. In particular, it is necessary to expand the indirect experience through the mental education, the education for the wartime education, the education for the living, and the religious activities for establishing the living quarters. In addition, we need prepare to establish a professional research base to overcome various maladjustment phenomena. we also need to under take systematic research in accordance with the characteristics of military environment on the Korean peninsula.