• 한국데이터정보과학회:학술대회논문집
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• 한국데이터정보과학회 2001년도 추계학술대회
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• pp.67-75
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• 2001

A completely randomized growth curve model was defined by Zerbe(1979). We propose the fully significant difference procedure for multiple comparisons of completely randomized growth curve model. The standard F test is useful tool to multiple comparisons of the completely randomized growth curve model. The proposed method is applied to experimental data.

• 한국철도학회:학술대회논문집
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• 한국철도학회 2008년도 춘계학술대회 논문집
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• pp.684-690
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• 2008

LRT System Application Project is performed for the purpose of technical advancement and stabilization of K-AGT system from the viewpoint of practical use and commercialization. For those purpose, the performance test and evaluation procedure for signaling system have been developed, including the scheme of verifying the performance and function of signaling system under driverless multiple train operation environment. In this paper, multiple train operation scheme in K-AGT test line is presented. Test schemes for maintaining the safety distance between trains, operation scenario considering shunting and turning of train, and dia operation schemes in test line are reviewed while researching test vehicle features, route condition and running pattern. Additional equipments for testing each scheme are also reviewed.

• 정보과학회지
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• 제5권1호
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• pp.42-49
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• 1987

Digital 回路에서의 고장을 검출하기 위해서는 적당한 信號를 入力단자에 加하여 出力端子에서 그 異狀有無를 判別하게 되는데 이때 印加되는 信號 즉 test pattern의 數는 組合論理回路인 경우 入力變數가 n이라 할때 그 최대값은 2n 이 된다. 따라서 入力變數가 증가함에 따라 test pattern의 數는 급격히 증가하게 된다. 고장검출을 용이하게 하기 위해서는 가능한 한 最小의 test가 필요하게 된 다. 이 test pattern을 生成하는 방법에는 pandom test pattern生成法 등의 확율논 적인 方法[9], 一次元經路活性化法[6] Boolean Difference등과 같은 해석적인 방법 [7], D-Algorithm등과 같은 방법[4] 등이 있다. 또 Berger등은 分岐가 존재하지 않을 때, test pattern의 下限値를 정해주었으며 [6], 또 單一故障일 경우의 fault locating test를, 故障表를 사용하지 않고 그래프적인 方法으로 회로구조로 부터 직접 구하였다. [6].

• Journal of the Korean Statistical Society
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• 제28권1호
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• pp.45-55
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• 1999

Knowing the number of unit roots is important in the analysis of k-dimensional multivariate autoregressive process. In this paper we suggest simple multiple unit roots test statistics based on least squares estimator for the multivariate AR(1) process in which some eigenvalues are one and the rest are less than one in magnitude. The empirical distributions are tabulated for suggested test statistics. We have small Monte-Calro studies to compare the powers of the test statistics suggested by Johansen(1988) and in this paper.

• Journal of Mechanical Science and Technology
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• 제15권7호
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• pp.1002-1012
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• 2001

The work reported here is an extensive study of tendon response to multiple cyclic tests including 3% constant peak strain level test (A-type test), 3% constant peak strain level test with two rest periods (B-type test), and 3∼4% different peak strain level test (C-type test). A sufficient number of specimens were tested at each type of the test to statistically evaluate many changes in response during testing and differences in response between each type of the test. In cyclic tests, there were decreses (relaxations) in the peak stresses and hysteresis, increases in the slack strains, and during lower peak strain level (3%) cyclic block after higher peak strain level (4%) cyclic block in the C-type tests. Considering the results of this study and those of the other study of multiple cyclic tests with rest periods by Hubbard and Chun, 1985, recovery phenomena during the rest periods occurred predominantly at the beginning of the rest periods. Consistently in both studies, the effects of rest periods were small and transient compared to the effects of the cyclic extensions. The recovery with cycles at lower peak strain level (3%) after higher peak strain level (4%) in the C-type test has not been previously documented. This recovery seems to be a natural phenomena in tissue behavior so that collagenous structures recover during periods of decreased demand.

• 한국정밀공학회지
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• 제18권12호
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• pp.110-115
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• 2001

In this paper, a multiple comparison was proposed to minimize the amount of coolant. And new coolant level, called "low level", was suggested to show usefulness of multiple comparison for experiments. The amount of this levee is about 1/4 of conventional coolant amount-called "high level", and dry cutting is called "none level". Using these coolant levels, the cutting temperatures of each coolant level in turning process were analyzed by analysis of variance(ANOYA)-test and a multiple comparison. As the result of ANOVA-test, we have just known that the average of temperature of each coolant level is not equal. However by Tukey's HSD, one of multiple comparison. it was analyzed that the average of temperature of low level is similar to that of high levee and different from that of none level.erent from that of none level.

• Communications for Statistical Applications and Methods
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• 제19권6호
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• pp.899-904
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• 2012

High-dimensional categorical data models with small sample sizes have not been used extensively in genomic sequences that involve count (or discrete) or purely qualitative responses. A basic task is to identify differentially expressed genes (or positions) among a number of genes. It requires an appropriate test statistics and a corresponding multiple testing procedure so that a multivariate analysis of variance should not be feasible. A family wise error rate(FWER) is not appropriate to test thousands of genes simultaneously in a multiple testing procedure. False discovery rate(FDR) is better than FWER in multiple testing problems. The data from the 2002-2003 SARS epidemic shows that a conventional FDR procedure and a proposed test statistic based on a pseudo-marginal approach with Hamming distance performs better.

• Communications for Statistical Applications and Methods
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• 제6권2호
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• pp.479-486
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• 1999

In this paper we propose the test statistic for ordered alternatives on multiple ranked set samples. Since the proposed test statistic is Page type its asymptotic properties are easily obtained. From the simulation works we calculate the power of test statistic($P_{RSS}$) under the underlying distributions such as uniform normal double exponential logistic and Cauchy distribution.

• 대한전자공학회논문지
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• 제12권4호
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• pp.21-27
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• 1975

본 논문에서는 분기가 있는 일반조합논리회로의 다중결함을 검출할 수 있는 테스트집합을 구하는 절차를 유도하였다. 일반논리회로를 우선 내부분기점을 전후하여 이를 분기가 없는 부분회로로 분리하고 각 부분회로에 대한 최소테스트집합을 구한다. 다음에 각 부분테스트를 최대한으로 병립시켜 합성테스트를 구하여 종합적인 일차입력벡터를 정한다. 이러날 수 있는 모든 결함을 빠짐없이 피복할 수 있는 최소테스트집합을 구해가는 과정에 대해서는 각 를 들어 상세히 설명하였다. In this paper, a procedure for deriving of multiple fault detection test sets is presented for fan-out reconvergent combinational logic networks. A fan-out network is decomposed into a set of fan-out free subnetworks by breaking the internal fan-out points, and the minimal detecting test sets for each subnetwork are found separately. And then, the compatible tests amonng each test set are combined maximally into composite tests to generate primary input binary vectors. The technique for generating minimal test experiments which cover all the possible faults is illustrated in detail by examples.

• 한국가정과교육학회지
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• 제17권2호
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• pp.1-10
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• 2005

본 연구에서는 다중지능이론에 기초한 수업을 기술${\cdot}$가정과의 '자원의 관리와 환경' 단원에 대하여 실시한 후 이러한 수업이 중학생의 자아존중감 향상에 미치는 효과를 살펴보았다. 중학교 2학년 남학생 74명을 대상으로 실험집단에는 다중지능이론에 기초한 기술${\cdot}$가정과 수업을, 비교집단에는 전통적 방법의 수업을 6시간씩 실시하였다. 다중지능이론에 기초한 기술${\cdot}$가정과 수업을 적용한 후 분석한 결과, 다중지능이론에 기초한 기술${\cdot}$가정과 수업은 중학생의 자아존중감 향상에 효과적인 것으로 나타났다. 다중지능에 기초한 기술${\cdot}$가정과 수업은 기존의 수업 방법보다 다양한 활동으로 구성되며 교사 중심이 아닌 학생 중심으로 수업이 이루어짐으로써 학생의 자아존중감 향상에 도움이 된다. 다중지능이론에 기초한 기술${\cdot}$가정과 수업은 자아존중감의 하위요인 중에서 총체적 자아존중감과 사회적 자아존중감의 향상에는 효과적이었으나 가정적 자아존중감과 학교적 자아존중감의 향상에는 효과가 없었다.