• 제목/요약/키워드: data and chance

검색결과 468건 처리시간 0.031초

일부 대학생들의 건강통제위성격과 건강증진행위간의 상관관계연구 - 1개 대학교 대학생들을 중심으로 - (A Study on Relationship between Health Locus of Control and Health Promoting Behavior of College Students)

  • 이인숙
    • 한국보건간호학회지
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    • 제9권1호
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    • pp.44-58
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    • 1995
  • This study was to investigated the relationship between health locus of control and health promoting behavior of College students. For this study, questionnaires were given to 300 students in the H University of Seoul and collected during the period from Nomber 17 to November 24, 1994. Health locus of control and health promoting behavior were measured by using the MHLC scale and a modified HPLP scale. Healthiness of life style is parameterized by self actualization, health responsibility, exercise, nutrition, stress management, and internal support. The data were analyzed using the statistics package SAS, yielding frequency, percentage, mean, standard deviation, t-test, ANOVA, Pearson's Correlation. The result of this analysis are as follows: 1. Among the components of health locus of control, internal health locus of control showed the highestscore (mean: 3. 12, standard deviation: 0.46). Powerful others health locus of control followed next with the mean of 2. 30 and the standard deviation of 0.44. Chance health locus of control showed the mean of 2.29, and the standard deviation of 0.43 2. The HPLP mean score and the standard deviation of practice of health promoting behavior were 2.51 and 0.31 respectively. 3. HPLP correlated positively with internal health locus of control (r= 0.20, p<.01) and powerful others locus of control (r= 0.21. p<.001). However, HPLP inversely correlated with chance locus of control (r=-0.13, p<.05) 4. The demographic variables representing sex (t= 2.26, p<.05), health status (F = 5.52, p<.01) showed connections to health promoting behavior. Therefore, nurses should consider health locus of control when they take care of College students to improve such health promoting behavior as self actualization, exercise, internal support, stress management, and health responsibility. Further research is required to discover factors influencing health promoting behavior of College students.

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실측 및 해석을 통한 단순 산악지형의 바람장 분포 연구 (A Study on Wind Distribution of Mountain Area by Spot Measurements and Simulations)

  • 김응식;이병두;조민태;김장환
    • 한국화재소방학회논문지
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    • 제28권6호
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    • pp.13-21
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    • 2014
  • 산림 화재는 여러 가지 변수를 포함하고 있지만 바람장에 의한 영향이 다른 어떠한 변수보다 상대적으로 크므로 봄철 산림지형에서의 풍향풍속을 알고 있다는 것은 산불진화기술 및 산불확산예측을 결정하는데 핵심 요소이다. 현재는 산림 지역의 풍향풍속 산정을 위하여 기상관측소의 데이터를 의존하게 된다. 기상청의 automatic weather station (AWS)는 넓은 지역에 골고루 분포하고 있어 비교적 간편하게 데이터를 취득할 수 있으나 실제 산림지역의 기상인자와는 차이가 있음을 확인하였다. 본 연구에서는 AWS가 설치되어 있지 않은 산악지형의 바람장을 실측하고 이를 통하여 바람장 예측의 가능성을 타진하였다. 실측 지형으로 단순 구릉 지형을 선택하여 주변의 지형지물에 의한 바람장의 왜곡을 최소화 하였으며, 이들 지형에서 바람장의 실측 및 전산유체해석을 통하여 얻어진 결과를 비교 분석하였다. 단순 구릉 지형으로는 제주도 오름과 안면도 마검포 지형을 선택하여 바람장 데이터를 취득 하였으며, 이를 분석한 결과 바람장의 패턴추출이 가능하다는 사실을 알 수 있었다.

로버스트 기대손실 관리도의 설계 (Design of Robust Expected Loss Control Chart)

  • 이형준;정영배
    • 산업경영시스템학회지
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    • 제39권3호
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    • pp.10-17
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    • 2016
  • Control Chart is a graph which dots the characteristic values of a process. It is the tool of statistical technique to keep a process in controlled condition. It is also used for investigating the state of a process. Therefore many companies have used Control Chart as the tool of statistical process control (SPC). Products from a production process represent accidental dispersion values around a certain reference value. Fluctuations cause of quality dispersion is classified as a chance cause and a assignable cause. Chance cause refers unmanageable practical cause such as operator proficiency differences, differences in work environment, etc. Assignable cause refers manageable cause which is possible to take actions to remove such as operator inattention, error of production equipment, etc. Traditionally ${\bar{x}}-R$ control chart or ${\bar{x}}-s$ control chart is used to find and remove the error cause. Traditional control chart is to determine whether the measured data are in control or not, and lets us to take action. On the other hand, RNELCC (Reflected Normal Expected Loss Control Chart) is a control chart which, even in controlled state, indicates the information of economic loss if a product is in inconsistent state with process target value. However, contaminated process can cause control line sensitive and cause problems with the detection capabilities of chart. Many studies on robust estimation using trimmed parameters have been conducted. We suggest robust RNELCC which used the idea of trimmed parameters with RNEL control chart. And we demonstrate effectiveness of new control chart by comparing with ARL value among traditional control chart, RNELCC and robust RNELCC.

포커스 그룹 면담을 이용한 청소년 흡연의 습관화 과정 (The Processes of Habituating to Smoking among Teenagers)

  • 윤순녕;이윤정;서은영;김춘미;고영;장미경;현정희
    • 지역사회간호학회지
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    • 제19권4호
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    • pp.636-648
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    • 2008
  • Purpose: The smoking rates among teenagers in Korea grow gradually since 1980s despite of the numerous programs for youth smoking prevention and cessation have been developed and implemented. The purpose of this study was to explore and describe the processes of habituating to smoking among teenagers using the grounded theory methodology. Method: Qualitative data was collected via six focus group interviews. A total of 38 people, twelve teachers and 24 middle school students participated in this study. All focus group interviews were tape-recorded. transcribed. and analyzed according to the grounded theory methodology. Results: The overriding theme of the elicited grounded theory was "stepping into a quagmire by a merest chance". The student participants began smoking by a simple chance. The contingent factors to starting smoking were "discord within the family", "family member's smoking", "schoolwork stresses". or "a rebellious spirit". The conditions of smoking included accessibility. going around in group, and the lack of discipline. "Stigmatizing", "involved in mob violence", and "making a poor academic record" coexisted as the covariance of the smoking habituation. Conclusion: The findings of this study illustrated the comprehensive and insightful picture of the phenomena under investigation. Nursing implications and further directions for research were discussed.

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세계 물리치료학과 교과과정 비교 분석 (The Comparison of Curriculums of Physical Therapy Education Department in the World)

  • 이한숙;이진희;김재헌
    • 대한물리의학회지
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    • 제5권2호
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    • pp.151-164
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    • 2010
  • Purpose : The purpose of this study was to investigate curriculums of physical therapy department in order to provide the basic data for developing educational standard. Methods : We identified the curriculums of physical therapy department in the world from January to may 2010 by internet, e-mail, fax and telephone. We compared the credits, education semesters, the names of departments, the numbers of departments for physical therapy education in all countries of the world and suggested some alternative for improvement. Results : The mean credits of 25 senior colleges were 140 and the mean credits of 22 Junior colleges were 136.6 in south Korea. The mean educational semesters and the mean credits were 9 semesters, 175.8credits of 1,363 universities in 73countries in the world. Of the 1,289 universities in the world, South Korea was ranked the fifth in the number of existing physical therapy education institutions with the number of 72. The name of department were comprised of physical therapy(1,289, 94.6%) and compound name(75, 5.4%) Conclusion : We suggest that the KAPT gradually rearranges senior college(4years), 170 creditS and consider time of community services and forms commission on accreditation in physical therapy education for developing educational standard. Also, we suggest to change the name of department into compound name because the student can have a chance to studies various subjects and get a chance to more occupations. We hope that the results of study can be helpful in order to rearrange the curriculum and the KAPT encourages the universities about following the educational standard.

청소년의 식습관과 음주행태와의 관련성 - 2012년 청소년건강행태온라인조사를 중심으로 - (Relationship between Korean Juveniles' Dietary Habits and Drinking Alcohol - The Result of Korea Youth Risk Behavior Web-based Survey 2012 -)

  • 이순희;윤미은;천성수
    • 한국학교ㆍ지역보건교육학회지
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    • 제15권2호
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    • pp.23-38
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    • 2014
  • Objectives: Since juveniles' unhealthy diets, and their problematic behavior resulting from drinking cause serious harm to those who are in a period of growth, we attempted to find out the relationship between juveniles' dietary habits and their drinking alcohol. Methods: The data was collected from 74,186 people in a 2012 web-based survey of Korean juveniles' health behavior, which was jointly conducted by the Ministry of Education, Science, and Technology, the Ministry of Health and Welfare, and the Korea Centers for Disease Control. This study conducted a logistic regression analysis using SPSS 18.0. Results: Juveniles who consume fast food at least once in a day have a significantly higher chance of binge drinking (OR=3.063, 95% CI=2.332~4.023), problematic drinking(OR=6.041, 95% CI=4.947~7.379) than those who don't. It also indicates that juveniles who don't eat breakfast have a significantly higher chance of binge drinking (OR=1.358, 95% CI=1.158~1.593), problematic drinking(OR=1.762 95% CI=1.548~2006) than those who eat breakfast every day. Conclusions: Irregular breakfast or a frequent intake of fast food causes problematic drinking, and binge drinking. Therefore, when planning programs for the prevention of juvenile drinking, it seems necessary to include education of healthy dietary habits.

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한국 고속철도의 효율적 중련편성 운영방법에 대한 연구 (A Study on an Efficient Double-fleet Operation of the Korean High Speed Rail)

  • 오석문;손무성;최인찬
    • 한국철도학회논문집
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    • 제10권6호
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    • pp.742-750
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    • 2007
  • 본 논문은 장래 도입되는 KTX2 고속차량을 이용한 중련편성 운영계획 최적화를 위한 방법론 제시를 목적으로 한다. 중련편성 운영계획 최적화를 위한 수리적 모형을 제시하고, 제안된 수리적 모형의 적용방안을 제시한다. 특히 확률적 수요를 고려한 모형을 수립하여, 계획수립 단계에서 수요의 확률적 요소를 보다 현실적으로 반영하고, 모형내에서 좌석 서비스 수준을 직접 조정할 수 있다.

고준위 방사성폐기물 처분장에서 초기 용기 파손 시나리오의 장기 방사선적 안전성 평가 (Post Closure Long Term Safety of an Initial Container Failure Scenario for a Potential HLW Repository)

  • 황용수;서은진;이연명;강철형
    • 한국방사성폐기물학회:학술대회논문집
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    • 한국방사성폐기물학회 2003년도 가을 학술논문집
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    • pp.229-232
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    • 2003
  • 고준위 방사성폐기물 처분장에서 적용하고 있는 다중 방벽의 한 부분인 처분 용기는 벤토나이트 완충재의 팽윤과 지압으로부터 폐기물을 역학적으로 안전하게 보호함과 동시에 일정 기간 방사성폐기물의 유출을 억제하는 역할을 한다. 용기는 엄격한 재질 선정과 품질 보증을 거쳐 건전성을 확보하나 보수적인 관점에서 보면 용기 제작 과정이나 수송 중 예상치 못한 사건으로 인해 불량품이 발생할 개연성이 있다. 본 연구에서는 이와 같은 사고 시나리오를 가정할 경우 불량 용기를 포함한 전체 용기에 거치된 방사성폐기물의 시간에 따른 환경 위해도를 평가하였다. 본 연구결과 일부 처분 용기에 초기 파손이 발생하더라도 규제치를 잘 만족하는 것으로 판명되었다.

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Efficiency Analysis for Major Ports in Korea and China using Boston Consulting Group and Data Envelopment Analysis Model

  • PHAM, Thi Quynh Mai;Choi, Kyoung-Hoon;Park, Gyei-Kark
    • 한국항해항만학회지
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    • 제42권2호
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    • pp.107-116
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    • 2018
  • Planning strategies to achieve higher competitiveness of ports are becoming increasingly important in business environment. Therefore, strategic competitive position and efficiency analysis needs to be performed to increase ports' effectiveness and competitiveness. This matches with one of targets of new concept e-Navigation to increase the agility and efficiency of ports. The purpose of this study was to apply Boston Consulting Group matrix to analyze competitive positioning of major ports in Korea and China in term of several main cargo types and then use a combination of Data Envelopment Analysis and Principal Component Analysis model to calculate efficiencies. Results show that, at the moment, Chinese ports are still on the top with high position and efficiency score for the representative-Shanghai port. However, result also points out that except container type, Korean ports have chance to compete in other cargo types. Moreover, Gwangyang port is regarded as efficient. It has better position time. It is believed that Gwangyang port together with Busan port can compete with Chinese port in the near future.

Whole-exome sequencing analysis in a case of primary congenital glaucoma due to the partial uniparental isodisomy

  • Zavarzadeh, Parisima Ghaffarian;Bonyadi, Morteza;Abedi, Zahra
    • Genomics & Informatics
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    • 제20권3호
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    • pp.28.1-28.7
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    • 2022
  • We described a clinical, laboratory, and genetic presentation of a pathogenic variant of the CYP1B1 gene through a report of a case of primary congenital glaucoma and a trio analysis of this candidate variant in the family with the Sanger sequencing method and eventually completed our study with the secondary/incidental findings. This study reports a rare case of primary congenital glaucoma, an 8-year-old female child with a negative family history of glaucoma and uncontrolled intraocular pressure. This case's whole-exome sequencing data analysis presents a homozygous pathogenic single nucleotide variant in the CYP1B1 gene (NM_000104:exon3:c.G1103A:p.R368H). At the same time, this pathogenic variant was obtained as a heterozygous state in her unaffected father but not her mother. The diagnosis was made based on molecular findings of whole-exome sequencing data analysis. Therefore, the clinical reports and bioinformatics findings supported the relation between the candidate pathogenic variant and the disease. However, it should not be forgotten that primary congenital glaucoma is not peculiar to the CYP1B1 gene. Since the chance of developing autosomal recessive disorders with low allele frequency and unrelated parents is extraordinary in offspring. However, further data analysis of whole-exome sequencing and Sanger sequencing method were applied to obtain the type of mutation and how it was carried to the offspring.