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The NHPP Bayesian Software Reliability Model Using Latent Variables (잠재변수를 이용한 NHPP 베이지안 소프트웨어 신뢰성 모형에 관한 연구)

  • Kim, Hee-Cheul;Shin, Hyun-Cheul
    • Convergence Security Journal
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    • v.6 no.3
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    • pp.117-126
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    • 2006
  • Bayesian inference and model selection method for software reliability growth models are studied. Software reliability growth models are used in testing stages of software development to model the error content and time intervals between software failures. In this paper, could avoid multiple integration using Gibbs sampling, which is a kind of Markov Chain Monte Carlo method to compute the posterior distribution. Bayesian inference for general order statistics models in software reliability with diffuse prior information and model selection method are studied. For model determination and selection, explored goodness of fit (the error sum of squares), trend tests. The methodology developed in this paper is exemplified with a software reliability random data set introduced by of Weibull distribution(shape 2 & scale 5) of Minitab (version 14) statistical package.

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A Study on Traditional Brand Market for Fashion Merchandise in Korea (국내 의류상품의 트래디셔널 브랜드 마켓에 대한 연구)

  • 박송애;이선재
    • Journal of the Korean Society of Costume
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    • v.52 no.2
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    • pp.1-17
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    • 2002
  • The Traditional Look, a class of fashion, represents image based on British aristocratic authenticity and cultural heritage as unchangeable and lasting classic fashion style. And recently, it keeps up with the trend of modern and young consumers' desire by putting various images. The purpose of the study is to investigate the concept, image and present market condition and to analyze degree of consumers' brand awareness of Traditional brand in pursuit of developing new market and ensuring power between competitive brands. From above work, surveyed on degree of brand awareness and interest, preference, associable image and purchase factors coming from consumers. 606 data were analyzed with SPSS package. Frequency, Factor analysis, one-way ANOVA, Multiple response, and correlation were applied. The results of this study were as follows. 1. Traditional brand has a high degree at consumers' brand awareness but comparatively lower at interest in it. In band name, while the Burberry has the highest brand awareness, the Polo and the Hunt take first and second position in a purchasing rate. Brand preference has tendency to be concentrated on certain brands showing the outstanding highest degree like the Polo in the 20s, and the Burberry in the 50s in aspect of age structure. 2. In associable image of Traditional brand, it is associate with noble image as dignified, classical and intellectual with itself strongly among practical, individuality, confidential and noble image. 3. As the purchase factors of traditional brand products, it depends on mainly the reliability and esthetic factors like design and quality rather than ostentatious and practical factors. 4. Associable image except individuality image is correlated with the purchase factors of traditional brand.

Practice and Barriers of Mammography among Malaysian Women in the General Population

  • Al-Naggar, Redhwan A.;Bobryshev, Yuri V.
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.8
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    • pp.3595-3600
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    • 2012
  • Objective: The objective of this study was to determine the practice and barriers of mammography and associated factors among Malaysian women in the general population. Methodology: A cross-sectional study was conducted among 200 women in Shah Alam, Selangor; Malaysia. The questionnaire contained 27 questions and was comprised of two sections; socio-demographic characteristics and practices, knowledge and barriers of mammography. All the data were analyzed using the Statistical Package for the Social Sciences (SPSS) 13.0. Results: Of the 200 Malaysian women who participated in this study, the majority were under the age of 50 years (65.5%), Malay (86%), and married (94.5%). Regarding any family history of cancer in general, the majority of the participants had none (78%). However, some did report a close relative with breast cancer (16.5%). While the majority of them knew about mammography (68%), 15% had had a mammogram once in their life and only 2% had the procedure every two or three years. Univariate analysis showed that age, family history of cancer, family history of breast cancer, regular supplement intake, regular medical check-up and knowledge about mammogram were significantly associated with mammogram practice among the general population (p=0.007, p=0.043, P=0.015, p=0.01, p=0.001, p<0.001; respectively). Multivariate analysis using multiple linear regression test showed that age, regular medical check-up and knowledge about mammography testing were statistically associated with the practice of mammography among the general population in Malaysia (p=0.035, p=0.015 and p<0.001; respectively). Lack of time, lack of knowledge, not knowing where to go for the test and a fear of the test result were the most important barriers (42.5%, 32%, 21%, 20%; respectively). Conclusion: The practice of mammogram screening is low among Malaysian women.

Influence of social characteristics and self leadership on stress coping method in the dental hygiene students (치위생과 학생의 사회학적 특성과 셀프리더십이 스트레스 대처방식에 미치는 영향)

  • Lee, Hye-Kyung
    • Journal of Korean society of Dental Hygiene
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    • v.15 no.5
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    • pp.849-856
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    • 2015
  • Objectives: The purpose of the study is to investigate the influence of social characteristics and self leadership on stress coping method in the dental hygiene students. Methods: A self-reported questionnaire was completed by 436 dental hygiene students in J area from November 10 to December 10, 2013. The questionnaire consisted ofsocial characteristics of the subjects, self leadership, and stress coping method. The reliability was evaluated by Cronbach alpha. Data were analyzed by frequency, one-way ANOVA, multiple regression analysis using the SPSS 12.0 statistical package program. The self leadership was developed by Mans and adapted and modified by Kim and Park. The leadership included 18 questions of self expectation, rehearsal, goal setting, self reward, self criticism, and constructive area. The stress coping method was developed by Folkman and Lazarus, and adapted and modified by Park. The stress coping method included 24 questions of problem focused coping, seeking social support, emotion focused coping, and wishful thinking. Results: The best stress coping method was wishful thinking and the score was 2.81. The priority order of stress coping method included social support, problem focused coping, and emotion focused coping. The self-expectation, goal setting, self-criticism proved to be highly relevant factors. The explanation power of stress coping method was 29.1 percent. The self expectation, rehearsal, self reward, and self criticism were passive coping methods and the explanation power was 15.4 percent. Conclusions: The self leadership is the most important factor to fulfill the interpersonal relationship abilities, major satisfaction, and satisfaction with clinical practice. The self leadership leads to stress coping ability.

Resonance Characteristics of the Pears for Exporting for Optimum Packaging Design (적정 포장설계를 위한 수출용 배의 공진특성)

  • Park, Jong Min;Choi, Dong Soo;Hwang, Sung Wook;Jung, Hyun Mo
    • KOREAN JOURNAL OF PACKAGING SCIENCE & TECHNOLOGY
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    • v.25 no.3
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    • pp.125-130
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    • 2019
  • Shock and vibration inputs are transmitted from the vehicle through the packaging to the fruit. Inside, these cause sustained bouncing of fruits against each other and container wall. These steady state vibration input may cause serous fruit injury, and this damage is particularly severe whenever the fruit inside the package is free to bounce, and is vibrated at its resonance frequency. The determination of the resonance frequencies of the fruit and vegetables may help the packaging designer to determine the proper packaging system providing adequate protection for the fruit, and to understand the complex interaction between the components of fruit when they relate to expected transportation vibration inputs. Instrumentation and technologies are described for determining the vibration response characteristics of the pears for exporting with frequency range from 10 to 200 Hz, sweep rate of 1 octave/min, sweep method of logarithmic up and down and acceleration levels of 0.2, 0.4, 0.6, 0.8 and 1.0 G considering the domestic transportation environment. The resonance frequency of the pears ranged from 49.04 to 87.16 Hz and the amplitude at resonance was between 0.96 and 4.02 G in test frequency band and acceleration level. The resonance frequency and amplitude at resonance frequency band of the pears decreased with the increase of the sample mass. The multiple nonlinear regression equations for predicting the resonance frequency of the pears were developed using the independent variables such as mass, input acceleration.

Comparing Two Mycobacterium tuberculosis Genomes from Chinese Immigrants with Native Genomes Using Mauve Alignments

  • Ryoo, Sungweon;Lee, Jeongsoo;Oh, Jee Youn;Kim, Byeong Ki;Kim, Young;Kim, Je Hyeong;Shin, Chol;Lee, Seung Heon
    • Tuberculosis and Respiratory Diseases
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    • v.81 no.3
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    • pp.216-221
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    • 2018
  • Background: The number of immigrants with tuberculosis (TB) increases each year in South Korea. Determining the transmission dynamics based on whole genome sequencing (WGS) to cluster the strains has been challenging. Methods: WGS, annotation refinement, and orthology assignment for the GenBank accession number acquisition were performed on two clinical isolates from Chinese immigrants. In addition, the genomes of the two isolates were compared with the genomes of Mycobacterium tuberculosis isolates, from two native Korean and five native Chinese individuals using a phylogenetic topology tree based on the Multiple Alignment of Conserved Genomic Sequence with Rearrangements (Mauve) package. Results: The newly assigned accession numbers for two clinical isolates were CP020381.2 (a Korean-Chinese from Yanbian Province) and CP022014.1 (a Chinese from Shandong Province), respectively. Mauve alignment classified all nine TB isolates into a discriminative collinear set with matched regions. The phylogenetic analysis revealed a rooted phylogenetic tree grouping the nine strains into two lineages: strains from Chinese individuals and strains from Korean individuals. Conclusion: Phylogenetic trees based on the Mauve alignments were supposed to be useful in revealing the dynamics of TB transmission from immigrants in South Korea, which can provide valuable information for scaling up the TB screening policy for immigrants.

The Effects on Internal Marketing, Social Exchange Relations and Personal Characteristic of Business Accomplishment in Self-Support Center Employee -Mediated Effects of Organizational Immersion- (지역자활센터 종사자의 내부마케팅, 사회적 교환관계, 개인특성이 사업성과에 미치는 영향에 대한 연구 -조직몰입 매개효과-)

  • Kim, Woon-Ki;Jung, Min-Suk
    • The Journal of the Korea Contents Association
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    • v.13 no.2
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    • pp.263-276
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    • 2013
  • The research analyzed to verify that self-support center employee's internal marketing, social exchange relation and personal characteristic effect on self-support program which is essential to provide job and to progress self-support ability for workable low-income group. The research used questionnaires of 156 substances to analyze in self-support center employee within Gwang-Ju area. The questionnaire was analyzed using statistical package for the social sciences(SPSS) program and it used factor analysis, reliability analysis and especially hierarchical regression multiple analysis for hypothesis test. The result of research that self-support center employee's education, training, delegation of authority and job efficacy effect on maximize business result through mediated effect of emotional immersion. Therefore, the research proposes improvement of self-support center employee's education, training, delegation of authority and job efficacy.

A Study on the Influence of Internal Marketing Factors for the Nurse's Organizational Commitment (내부마케팅요인이 간호사의 조직몰입에 미치는 영향)

  • Cha, Sun-Kyung;Kim, So-In;Lim, Ji-Young
    • Journal of Korean Academy of Nursing Administration
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    • v.7 no.2
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    • pp.193-204
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    • 2001
  • The purpose of this study was to provide basic information for developing effective marketing strategies of nursing organization by identifying the influence of internal marketing factors on the nurses' organizational commitment. The subjects of this study were 256 nurses who were working in the hospital over 1 year at three university hospitals which had more than 400 beds in seoul and kyung-gido. The data were collected by self-reporting questionnaires. The instruments used in this study were the communication form scale developed by Jo(1995), the welfare scale developed by researcher, the education training scale developed by researcher, the organizational commitment scale developed by Mowday, Porter and Steers(1979). The data were analysed by the SAS package using frequency, percentage, mean, standard deviation, Pearson's correlation coefficient and stepwise multiple regression. The results of this study were as follows; 1. In mean score of internal marketing factors in nursing organization, horizontal communication was 3.42, downward communication 3.32, involvement communication 3.08, upward communication 3.00, education training 2.54, welfare 2.51. The meas score of organizational commitment was 3.00. 2. Organizational commitment was positively correlated with upward communication(r=0.48, p=0.0001), education training(r=0.42, p=0.0001), horizontal communication(r=0.36, p=0.0001), welfare(r=0.34, p=0.0001), involvement communication(r=0.25, p=0.0001) of internal marketing factors in nursing organization, but was negatively correlated with downward communication(r=-0.20, p=0.0014). 3. The major internal marketing factors which influence organizational commitment was upward communication. Upward communication explained 23% of organizational commitment. If education training, horizontal communication, welfare and downward communication were added, 38% of the variance would be explained. In conclusion, the results of this study showed that the higher upward communication level among the internal marketing factors was doing more important role in nurses' organizational commitment. Therefore, for improvement of nurses' organizational commitment, it is important to improve upward communication and to develop the education training program among the internal marketing factors.

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A Study on the Consumer Dissatisfaction and Complaining Behavior by Consumer Value (소비자의 수단적 가치에 따른 의복구매 불만족 및 불평행동의 비교)

  • 유태순
    • Journal of the Korean Society of Costume
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    • v.33
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    • pp.175-188
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    • 1997
  • the main purpose of this study was to inves-tigate the consumer dissatisfaction and com-plaining behavior in purchase and use by con-sumer value. The subjects participated this study were 204 female students. They were classified into 3 groups by important degree of instrumental value which is one of the 2 value categories that divided by the Rokeach. In order to assess consumer dissatishaction in purchase and use of clothing by those groups. The Clothing Purchase Dissatisfaction Inventory was used and The Consumer Complaining Behavior Inventory was adapted to asses consumer complaining behavior. The Clothing Purchase Dissatisfaction Inventory has 4 subscales(Price related factor Produt and Quality related factor Information and Service related factor Purchase decision-mak-ing related factor)and The Consumer Complaining behavior Inventory consisted in 3 subscales(Do nothing Private complaining Public complaining) Using SAS package in order to examine Clothing Purchase Dissatisfaction Inventory scores anaslysis of variance (MANOVA) was excuted And turkety test a kind of post-hoc multiple comparisons methods was adapted to compare Clothing Purchase Dissatisfaction In-ventory scores of each groups. in order to in-vestigate consumer complaining behavior by each groups and grade major pocket money a month the mean purchse price of clothing a month x2-test Frequency Percent were executed. Conclusion eached in this study are as fol-low: 1. Each group had differences in price re-lated factor Product nad Quality related fac-tor Information and Service related factor ex-cept Purchase decision -making related factor Groups which made much of value tend to dis-satisfy in price related facor Product and Quality related factor Information and Service related factor. 2. Group that made much of value had more high scores in private complaining complainto third party and the middle group had more high scores in private complaining . Group made little of value tended to do nothing. 3. Grade major pocket money a monty the mean purchase price of clothing a month didn't have difference signficantly in consumer behavior. but major had difference on private complaining.

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Effects on brand awareness and preference for individual SPA brand and luxury brand on awareness, preferences and buying intention for collaboration items. (SPA브랜드와 명품브랜드의 브랜드 인지도와 선호도가 콜라보레이션 제품 인지도와 선호도 및 구매의도에 미치는 영향)

  • Kang, Ji-Young;Chung, Sung-Jee;Kim, Dong-Geon
    • Journal of the Korea Fashion and Costume Design Association
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    • v.21 no.4
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    • pp.139-152
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    • 2019
  • This study aims to find out the influence of brand awareness and preference of collaboration products created by SPA and luxury brands using specific examples of collaborations, which are now becoming prevelent in the fashion industry. For this study, data collection was carried out through a distribution of 350 copies of the questionnaire, 333 responses were used for data analysis. Using a statistical package program with SPSS, a frequency analysis, a factor analysis, and a multiple regression analysis were conducted. The results of this study are summarized as follows. Awareness and preferences of the SPA and luxury brands lead collaboration products to be preferred. In addition, consumers happen to have more favorable attitudes regarding the purchase of collaboration products. This means that matching brands with high preference is a very important factor to create profits from the collaboration products as awareness and the preference are important factors for the success of projects. In particular, the recognition and preference of luxury brands was found to have greater impact on the preference and recognition of collaboration the SPA brands. Accordingly, brands should expand and actively collaborate through a variety of methods and support proper collaborations that fit their image.