• Title/Summary/Keyword: 낮은 상관관계

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Viscogram Pattern of Korean Rice Flours (우리나라 쌀의 점도 특성)

  • Kim, Sung-Kon;Kim, Sang-Soon
    • Applied Biological Chemistry
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    • v.28 no.3
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    • pp.142-148
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    • 1985
  • Pasting properties of 35 traditional (Japonica) and 23 high-yielding (J/Indica) rice varieties having various hydration rates at $23^{\circ}C$ were investigated. Amylograms showed that high-yielding rice varieties had higher values for peak (P), hot-paste (H) and cold-paste (C) viscosities than those for traditional rice varieties. P had a highly negative correlation with H/P, C/P and C/H. P of traditional rice varieties was positively and negatively correlated with protein amylose contents, respectively. However, H and C showed no correlation with protein or amylose content. No correlation was observed between amylograph indices and hydration rate of rice grain.

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Vegetation Types and Life-form Composition of Pinus densiflora Forests on the Ridge of the Baekdudaegan in South Korea (백두대간 마루금일대 소나무림의 식생형과 생활형 조성)

  • Cho, Hyun Je
    • Journal of Korean Society of Forest Science
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    • v.98 no.4
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    • pp.472-478
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    • 2009
  • Pine (Pinus densiflora) forests of 58 sites on the ridge of the Baekdudaegan, South Korea were classified by applying the phytosociological method and TWINSPAN. The floristic composition and life-form characteristics of the vegetation types analyzed and documented. The vegetation types were classified into five groups including four groups of Carex humilis var nana type and one group of Abies koreana-Sasa borealis type. Compositae was the most diverse family (26 species), Liliaceae (21 species), Rosaceae (18 species) and Betulaceae (11 species) whereas 27 families were represented by only one species. Taxonomically, Compositae was the most diverse (17 genera), Liliaceae and Rosaceae(12 genera) whereas 41 families were represented by only one genus. The Fagaceae was the most important family in total coverage (19.0) and followed Pinaceae (16.7) and Ericaceae (15.1). Five families such as Compositae, Liliaceae, Rosaceae, Betulaceae, and Umbelliferae contributed little to total coverage, although represented by numerous species. In the correlation between species richness and life forms, the species richness was highly correlated with growth and disseminule forms. In general, the correlation coefficients between life forms represented lower values than those between species richness and life-forms.

Factors Affecting the Self Esteem of a Convergence Dental Hygienist (치과위생사의 자아존중감에 융합적으로 영향을 미치는 요인)

  • Jang, Kyeung-Ae;Lee, Hee-Su
    • Journal of the Korea Convergence Society
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    • v.6 no.4
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    • pp.177-186
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    • 2015
  • The present study analyzes the main factor having an effect on the convergence dental hygienist's self-esteem through the survey to them. A self-leadership and professional self-conception show meaningful result with higher score in the group with higher self-respect than that of lower one(p<.001). Also the higher hygienist's self-esteem, the higher clinic practice ability(p<.01). There is negative correlation with self-esteem in emotional labor(p<.01) and exhaustion(p<.01). However, the positive correlations are presented in self-leadership(p<.01), professional self-conception(p<.01) and clinic practice ability(p<.01) with self-respect. The factors influenced on self-esteem are clinic practice ability(p<.05) and exhaustion(p<.01). In results, the organized convergence program and education considering self-esteem in the hospital should be accomplished systemically to enhance the clinic practice ability of each hygienist.

Affecting Factors in Unemployment Stress among College Students -Focused on Physical Symptoms, Depression, Anxiety and Self-esteem- (대학생의 취업스트레스에 영향을 미치는 요인 -신체증상, 우울, 불안, 자아존중감을 중심으로-)

  • Choi, Seung-Hye;Lee, Haeyoung
    • The Journal of the Korea Contents Association
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    • v.13 no.12
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    • pp.808-816
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    • 2013
  • This study examined the correlation between college students' unemployment stress and affecting factors including physical symptoms, mental health, and self-esteem. In the results, students appeared to have more stress when they were female, in higher grades, in low satisfaction in their school life, in the lack of leisure time, in inadequate preparation for employment, and when they had none of those who could share their feeling on unemployment than students in the opposite situations. Students' physical and mental health had a positive relation with unemployment stress, and self esteem had a negative relation with unemployment stress. After multivariate analysis, the factors affecting unemployment stress were senior grade and depression. On the other hand, the factors predicting low umemployment stress were male sex, high level of self esteem, and satisfaction in preparation for employment. Therefore, the counselling program for employment preparation should include intervention strategies for enhancing self-esteem besides providing with information of employment.

Relationship between morphological characteristics and hand emotional quotient of hands (손의 형태학적 특성과 손감성지수와의 상관관계)

  • Jeong, Eun-Young;Ryu, Hee-Wook
    • Science of Emotion and Sensibility
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    • v.13 no.4
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    • pp.769-776
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    • 2010
  • The relationship between morphological characteristics and sensibility of hands for beautiful hands were investigated for college woman in early twenties. Hand Emotional Quotient (HEQ) which is classified as 10 grades was newly suggested as one of the sensibility evaluation methods for the beautiful hands and was applied to assess the qualitative and quantitative relationships between morphological characteristics and HEQ. The factors influenced on the HEQ were in order as width-length ratio of hands, finger length-hand length and finger width-hand length ratios. Otherwise the influences of hand length-nail length and finger length-nail length ratios on HEQ were insignificant. The longer length of hand, finger, and nail and the narrower width of hand and finger, the higher HEQ hands get. In conclusion, it is found that all morphologic characteristics of hands influenced on the sensitivity synthetically. The data constructed on the hand's sensibility is very useful for various beauty products and service areas related to hands.

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생물계절변화를 이용한 온난화의 영향에 관한 연구

  • Im, Jeong-Seop;Kim, Hae-Dong;Kim, Sang-U;Park, Myeong-Hui
    • 한국지구과학회:학술대회논문집
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    • 2010.04a
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    • pp.80-80
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    • 2010
  • 본 연구에서는 식물의 개화시기가 기온에 민감하게 반응한다는 것에 근거하여 54개의 기상관측지점을 선택하고 1988년부터 2008년까지 21년간 벚꽃 개화일의 시계열적 변화를 분석하였고 이들과 3월 평균기온과의 상관관계를 조사하였다. 그리고 엘니뇨와 라니냐 시기에 기온과 벚꽃개화일의 변화 경향과 도시화에 의한 기온변화가 벚꽃 개화일에 미치는 영향을 대도시와 교외도시와의 비교를 통해 알아보았다. 또한 경험직교함수(EOF) 분석을 통하여 벚꽃개화일의 시 공간 분포를 알아보았다. 그 결과는 다음과 같다. 첫 번째, 3월 평균기온 분석을 통해 1988-2008년 사이에 한반도의 기온은 평균적으로 $0.13^{\circ}C$ 증가하였음을 확인할 수 있다. 그리고 평균적으로 남해안이 동해안과 서해안보다 평균기온이 높게 나타났으며, 서해안이 가장 낮은 평균기온을 보였다. 그리고 내륙지역의 경우 위도에 따라 평균기온이 달랐으며, 위도가 낮아질수록 평균기온이 크게 나타났다. 하지만 모든 지점에서 유의하지는 않았다. 두 번째, 벚꽃개화일의 변화를 보면, 개화일은 시간이 지날수록 빨라지는 경향을 보였다. 그리고 벚꽃개화일의 분포를 보면 위도가 낮은 지역이 개화일이 빨랐으며, 해안지역 중에서는 남해안, 동해안, 서해안 순이었다. 세 번째, 2월, 3월, 4월의 평균기온과 벚꽃 개화일의 상관관계 분석결과 3월 평균기온이 벚꽃개화일과 상관관계가 가장 높았다. 네 번째, 엘니뇨가 발생한 해에는 한반도의 기온이 상승하는 경향을 보였으며, 동시에 벚꽃개화일도 빨라졌다. 다섯 번째, 대도시가 교외도시에 비해서 기온상승이 높았으며, 벚꽃개화일도 빠르게 나타났다. 마지막으로, 경험직교함수(EOF) 분석 결과 3월 평균기온과 벚꽃 개화일의 1mode 시계열 패턴이 비슷하다는 것을 확인하였다. 또한, 1996년을 기준으로 이전에는 개화일이 느려지고, 이후에는 빨라지는 패턴을 보였다.

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The relation between sensory processing ability and interpersonal problem of some university students (일부 대학생의 감각처리능력과 대인관계문제와의 관계)

  • Lee, Ji-Hyun;Nam, Taek-Gill
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.14 no.6
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    • pp.2780-2787
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    • 2013
  • This research was conducted to find out the relation between sensory processing ability and Interpersonal Problem of university students. The subjects were 177 university students whose curricula were similar. The researchers made the subjects fill out the Adolescent/Adult sensory profile and Korean inventory of interpersonal problem(KIIP). The analysis of the relevancy between the Adolescent/Adult profile and the Interpersonal problem showed that 'Low Registration' is related to all aspects of KIIP. 'Sensation Seeking' showed relation with Domineering/Controlling(r=0.150, p<0.05), self sacrificing(r=0.175, p<0.05), Intrusive (r=0.218, p<0.01), Interpersonal sensitivity(r=0.196, p<0.01), and Need for social approval(r=0.149, p<0.05). 'Sensation Sensitivity' showed relation with all aspects of KIIP. 'Sensation avoiding' showed relatively high relation with Domineering/ Controlling(r=0.403, p<0.01), Vindictive(r=0.420, p<0.01), Interpersonal ambivalence (r=0.452, p<0.01), and aggression(r=0.417, p<0.01). Through this research, it turned out that 'Sensory Processing ability' and the Interpersonal Problem are generally related, especially 'Low Registration' and 'Sensation Sensitivity' are highly related to the Interpersonal Problem.

A Bayesian Sampling Algorithm for Evolving Random Hypergraph Models Representing Higher-Order Correlations (고차상관관계를 표현하는 랜덤 하이퍼그래프 모델 진화를 위한 베이지안 샘플링 알고리즘)

  • Lee, Si-Eun;Lee, In-Hee;Zhang, Byoung-Tak
    • Journal of KIISE:Software and Applications
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    • v.36 no.3
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    • pp.208-216
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    • 2009
  • A number of estimation of distribution algorithms have been proposed that do not use explicitly crossover and mutation of traditional genetic algorithms, but estimate the distribution of population for more efficient search. But because it is not easy to discover higher-order correlations of variables, lower-order correlations are estimated most cases under various constraints. In this paper, we propose a new estimation of distribution algorithm that represents higher-order correlations of the data and finds global optimum more efficiently. The proposed algorithm represents the higher-order correlations among variables by building random hypergraph model composed of hyperedges consisting of variables which are expected to be correlated, and generates the next population by Bayesian sampling algorithm Experimental results show that the proposed algorithm can find global optimum and outperforms the simple genetic algorithm and BOA(Bayesian Optimization Algorithm) on decomposable functions with deceptive building blocks.

A Brief Analysis on the Correlations between Website Accessibility and Quality Evaluation Results and Efficiency of Main Seaports in Korea, China, and Japan (한·중·일 주요항만의 웹 사이트 접근성 및 품질평가결과와 효율성과의 상관관계분석 소고)

  • Park, Ro-Kyung
    • Journal of Korea Port Economic Association
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    • v.31 no.4
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    • pp.39-52
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    • 2015
  • The purpose of this paper is to empirically examine whether there are significant relations among rankings of cross-efficiency, web accessibility, and website evaluation. For this purpose, the study uses the KWAH-4 method developed by the Web Accessibility Laboratory in Korea, website evaluation method developed by the Business Development Bank of Canada (BDC), and the cross-efficiency model for 13 Asian container seaports including Korean, Chinese, and Japanese main ports in 3 years (2009, 2010, and 2013) using data for two cases: three inputs (depth, total area, and number of crane) and one output (TEU) in the first case and three inputs and two outputs (TEU and BDC overall score) in the second case. The main empirical results are as follows. First, the ranking orders of cross-efficiency, web accessibility, and website evaluation overall scores are not significantly correlated with each other. Second, if the BDC overall score is included in the output element, the correlation results are improved. However, the correlation coefficient is still low. The container port policy planners should introduce and consider the web accessibility and website evaluation scores when evaluating an efficiency-increasing plan for Korea's main container ports.

Correlation between Shear Force and Grade Decision Factors on Hanwoo Cow Carcass (소 도체등급 판정 항목과 전단력과의 상관관계)

  • Kim, Dong-Yeop;Kim, Byoeng-Do;Baek, Sang-Guk;Jeong, Hyeong-Jin;Kim, Dae-Gon;Han, Gi-Dong
    • Food Science of Animal Resources
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    • v.28 no.3
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    • pp.344-348
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    • 2008
  • This study was carried out to evaluate the correlation between shear force determined by tenderness analyzer and grade decision factors consisting of yield grade (carcass weight, ribeye area, backfat thickness) and quality grade (meat color, fat color, marbling, maturity, texture) in a total of 200 Hanwoo cows. Results showed that there was a negative correlation between shear force and yield grade (r=-0.186, p<0.01), i.e., when the grade of carcass yield increased (A score), the shear force value decreased. Shear force scores showed a significant correlation with marbling scores (r=-0.19, p<0.01), but no correlation with scores of meat color, fat color and texture. The maturity of Hanwoo cows is known to be one of the major factors for evaluating the grade, and the maturity showed no significant correlation with shear force value (r=-0.05, p>0.05). It is possible to get useful information for evaluating the grade of Hanwoo cows if further studies addressing the correlation of water holding capacity, juiciness, taste and overall acceptability with maturity are carried out.