• Title/Summary/Keyword: 예측 중심의 모형

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Analysis of the Achievements of Daegu Happiness Competency Education with a Focus on Curriculum (대구행복역량교육의 성과 분석: 교육과정 편성·운영을 중심으로)

  • Park, Chanho;Chung, Il-Hwan
    • Korean Journal of Comparative Education
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    • v.28 no.4
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    • pp.221-248
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    • 2018
  • The purpose of this study was to analyze the performance of the Daegu Happiness Competency Education Program. It was confirmed that students, parents, teachers, and education professions are aware of the middle and higher level of education for happiness in Daegu in terms of the formation and operation of the curriculum. There is no significant difference between students and parents in terms of average value, and teachers' perception level is relatively high, which is understandable in that teachers are the subjects of the curriculum organization and operation. In addition, there was no statistically significant difference between the parents and the school level, but there were significant differences between students and teachers. In particular, students' and teachers' perceptions were lowered as the number of schools increased, unlike the predictions. They showed the lowest results in the special schools, autonomous schools and special schools. The reason for this is that Daegu Happiness Competency Education was implemented in 2014, and it was because there was little room to recognize and accept the new curriculum due to the burden of college entrance examination or employment. In the future, it will naturally improve as the education process is settled, but here we can find suggestions for the establishment of Daegu Happiness Competency Education.

An Analysis of Interaction between Exchange Rates and Stocks in Japan: Focusing on the Comparison between Periods of Financial Crisis and Non-financial Crisis (일본 외환시장과 주식시장 수익간의 관련성분석 : 금융위기와 비금융위기 시기 상호비교를 중심으로)

  • Lee, Keun-Jae;Cho, Nam-Hyung;Zhu, Shi-You;Yi, Seong-Baek
    • International Area Studies Review
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    • v.14 no.1
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    • pp.55-76
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    • 2010
  • This paper analyses interaction between yen/dollar exchange rates and NIKKEI index using bivariate GJR-GARCH(1,1) model. The data employed for the study is daily data series for the period of Jan. 4, 1995 through Aug. 30, 2009. One of main findings is that market inefficiency appears in the periods of financial crisis. Second, the volatility of exchange rates and stock returns has more increased in the wake of the volatility shock of the previous period during financial crisis than during non-financial crisis. Third, interestingly, the asymmetric volatility shock by bad news in those markets is bigger in financial crisis period than in non financial crisis. Fourth, in the period of current global financial crisis triggered by subprime mortgage crisis in U.S, volatility shock at the previous period is bigger than that of Asian financial crisis that happened in 1997. Lastly, the correlation between both returns of exchange rates and stock prices turns up positive according to the empirical estimation. This result may come from the fact that Japanese stock market does not have much attraction for international financial investment compared to stock markets of neighbouring countries like China, Korea and so on, while real sector's contribution to the economy is considered more importantly.

A Study on the Influences of Korean Consumer Characteristics and Propensity to Purchase in Brand Choice (한국소비자 특성과 구매성향이 브랜드 선택에 미치는 영향에 관한 연구)

  • Lee, Hyung-Suk;Kim, Chur
    • International Area Studies Review
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    • v.12 no.3
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    • pp.321-339
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    • 2008
  • The purpose of this study to the analyze characteristics and purchasing activities of consumers by using the Multinomial Logit model, which is a well-known discrete selection model to explain and forecast consumers' selection activities(patterns). The study aims to determine the state of competition between National Brand and Private Band and how some demographic characters and marketing variables influence consumers' brand selections within the facial tissue market. Our analysis process includes reorganization of panel data(individuals' purchasing record at each point) to fit the purpose of our study as well as analysis of probability and influencing factors of consumers' brand selection at each point of purchases. The result showed that consumers at higher age and with higher income hold better probability to purchase National Brand. Likewise, locations also had considerable effect on selecting brand, and Private Brand was preferred in department store and discount stores. On the other hand, consumers loyal to National Brand reported higher probability to purchase if the product prices were higher while Private Brand buyers were more promoted the purchase under price discount.

The Study of the Effect of Shopping Value on Customer Satisfaction, and Actual Purchase Behavior (쇼핑가치가 고객만족과 구매행동에 미치는 영향에 관한 연구 - 백화점 쇼핑행동을 중심으로 -)

  • Ahn, Kwangho;Lim, Byunghoon;Jung, Suntae
    • Asia Marketing Journal
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    • v.10 no.2
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    • pp.99-123
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    • 2008
  • Consumer satisfaction/dissatisfaction is key determinant of brand loyalty and store patronage behavior. But the results of many customer satisfaction surveys implemented by department stores show that consumer satisfactions do not predict the actual patronage behaviors well. The main reason of these surprising results would be that the consumer satisfaction indexes do not include some important determinants of consumer satisfaction. Many customer satisfaction surveys mainly focus on the evaluation of functional benefits including product assortments, merchandise prices and locational convenience. Recent studies indicate that emotional/hedonic benefits strongly influence the consumer satisfaction, intention to repurchase and intention to revisit. Our study suggests that both functional values and hedonic values should be included in developing the index of consumer satisfactions. The purpose of our study is to investigate the relationship between shopping value and consumer satisfaction, and actual patronage behavior. Shopping values is defined as the difference between total benefits and total shopping costs. Total benefits include the dimensions of product quality, service quality, and hedonic benefits. Total costs are classified as the monetary costs and non-monetary cost. The conceptual framework developed for this empirical study is as follows.

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Latent Profile Analysis of Anxiety and Anger Symptoms among Korean Adults during the COVID-19 Pandemic (잠재프로파일분석(LPA)을 통한 코로나 대유행 시기 성인의 불안 및 분노 증상 유형 분석)

  • Sung Hyun Kim;Dong Hun Lee
    • Korean Journal of Culture and Social Issue
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    • v.30 no.3
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    • pp.349-378
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    • 2024
  • This study aimed to identify latent profiles of anxiety and anger symptoms experienced by Korean adults during the COVID-19 pandemic and factors that influence group classification. To this end, a latent profile analysis(LPA) was conducted on 1,434 Korean adults from February to March 2021 after the pandemic was announced. First, as a result of confirming the suitability of the latent model, a 5-class-model was found to have the best model fit with 'low anxiety/high anger group(Group 1)', 'low anxiety/low anger group(Group 2)', 'middle anxiety/middle anger group(Group 3)', 'middle anxiety/high anger group(Group 4)', 'high anxiety/high anger group(Group 5)'. Second, gender, economic status, emotion-focused coping, and dysfunctional coping were significant predictors of group classification. Third, there were differences between latent groups in PTSD symptom and suicidal ideation. Finally, discussions and implications of the study were discussed.

An Alternative Evaluation Model for Benefit Measurement of Public Transportation by the Open of Urban Railway: Seoul Metro Line 9 (도시 철도개통에 따른 대중교통이용 편익측정을 위한 대안적 평가모델 : 지하철 9호선을 사례로)

  • Joo, Yong-Jin
    • Spatial Information Research
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    • v.19 no.4
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    • pp.11-20
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    • 2011
  • In accordance with low carbon and green growth paradigm, a subway is one of major public transit systems for resolving traffic congestion and decreasing traffic accidents. In addition, as subway networks expand, passengers' travel pattern in the subway network change and consequently affect the urban structure. Generally, new subway route has been planned and developed, mainly considering a travel demand forecast. However, it is desired to conduct an empirical analysis on the forecast model regarding change of travel accessibility and passenger demand pattern according to new subway line. Therefore, in this paper, an alternative method, developed based upon a spatial syntax model, is proposed for evaluating new subway route in terms of passenger's mobility and network accessibility. In a case study, we constructed subway network data, mainly targeting the no 9 subway line opened in 2009. With an axial-map analysis, we calculated spatial characteristics to describe topological movement interface. We then analyzed actual modal shift and change on demand of passengers through the number of subway passenger between subway stations and the number of passenger according to comparative bus line from Smart Card to validate suggested methods. Results show that the proposed method provides quantitative means of visualizing passenger flow in subway route planning and of analyzing the time-space characteristics of network. Also, it is expected that the proposed method can be utilized for predicting a passengers' pattern and its impact on public transportation.

An Estimation of Appropriate Standby Space for Mechanical Parking Lot by Prediction of Parking Queue (주차대기행렬 예측을 통한 기계식 주차장 적정 대기규모 산정에 관한 연구)

  • Jin, Tae-Hee;Park, Je-Jin;Park, Jin-Man;Ha, Tae-Jun
    • KSCE Journal of Civil and Environmental Engineering Research
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    • v.40 no.3
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    • pp.321-330
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    • 2020
  • The purpose of this study is to present the appropriate standby space for the mechanical parking lot considered parking queue. This analysis is based on the field-study by results of the influential factors on the parking queue of mechanical parking lots in the commercial area of Gwang-ju metropolitan city. In this study, the parking queue was analized through the simple modeling using Vissim based on average service rate and average arrival rate from the result of field-study. As a result of applying the field survey products to the theoretical queue model, no significant result was obtained when the traffic intensity exceeded 1. Therefore, parking queue was analyzed through simple modeling using Vissim, and the model for calculating the proper parking queue size of the mechanical parking lot by size was derived. The model for estimating of an appropriate mechanical parking standby space considering parking queue presented in this study is expected to be a criterion for considering the appropriate parking space of a new building, and also it can be used to minimized the traffic impact due to the parking queue by the lack of standby space.

A Longitudinal Analysis of Adolescents' Achievement Motivation Profiles and their Relationship to Academic Achievement in Multicultural Family (잠재계층성장모형을 적용한 다문화 가정 자녀의 성취동기 변화 유형 및 예측요인 탐색: 학업성취 수준의 차이를 중심으로)

  • Yeon, Eun Mo;Choi, Hyo-Sik
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.2
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    • pp.404-414
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    • 2020
  • This study aims to explore latent classes in terms of changing patterns in achievement motivation among the samples from elementary school to middle school students in multicultural families and to investigate factors to predict latent groups and their relationship with academic achievement. 1254 pairs of mother and child from the 1st to 6th years of Multicultural Adolescents Panel Study (MAPS) was utilized for the Latent Class Growth Analysis (LCGA), One-way ANOVA, Multinomial Logistic Regression. The results showed that there were four distinct subgroups within the samples in terms of achievement goal orientations (i.e. very-high changing group, average changing group, low stable group, very-low stable group) at all six time points, and students who reported high achievement motivation were likely to have higher academic achievement. Four groups were extracted based on parent's efficacy, students' self-esteem, and teacher's support. Suggestions and practical implications for understanding the types of subgroups for the achievement motivation of multicultural families were discussed.

The Major Technology Distribution Analysis of Domestic Defense Companies in Naval Ships based on Patent Information Data (함정 분야 방산업체 주요 기술 분포 분석)

  • Kim, Jang-Eun
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.21 no.7
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    • pp.625-637
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    • 2020
  • In order to decide the naval ship weapon system acquisition for national policy/market economy activities, the decision makers can determine policy based on current technology level/concentration/utilization. For this, the decision makers apply the major common technology field analysis using patents data. As a method for collecting patent data, we can collect patent data of domestic mobile carriers through the Korea Intellectual Property Rights Information System of Korean Intellectual Property Office. As a result, we collected 14,964 patents/352 International Patent Classification(IPC) types. Based on these data, we performed three analysis processes (SNA, PCA, ARIMA, Text Mining) and got each result from extracting 58 IPC types of SNA and 7 IPC types of PCA. Based on the analysis results, we have confirmed that 7 IPC(B63B, H01M, F03D, B01D, H02K, B23K, H01H) types are the Major Common Technology Distribution of domestic Defense Companies.

An Economic Approach for Improvement of Radius for Hazarouds Road (위험도로 곡선반경 개선의 경제적 접근에 관한 연구)

  • Ha, Tae-Jun;Kim, Jeong-Hyun;Yoon, Pan;Park, Je-Jin;Kim, Young-Woon
    • Journal of Korean Society of Transportation
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    • v.21 no.5
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    • pp.73-81
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    • 2003
  • The Government presented improvement plans such as "Traffic Accident Frequent Point" and "Hazardous Roads" to reduce traffic accidents on the increase after 1980s. In case of the hazardous roads, they are expressed by grades which are marked by geometric elements such as width, radius, grade. sight distance. and other environmental factors. As each business for improving roads goes by only focusing on improvement of geometric elements, excessive expense can be invested too much nowadays causing economical waste. Therefore, as improvement plans approached by economic access are needed, this paper shows the cost-effective improvement of the business to keep safety related to traffic accident and economical waste. The hazardous roads which authorized by Gwang-ju National Road Preservation Office of Construction and Transportation Ministry in 1995 for business for improvement of roads, were investigated before 1999. First of all, estimating traffic accident models are presented by using existed data statistically. The models help to maximize traffic accident decrease through control of the presented factor. Secondly, optimum construction cost of improvement is presented to prevent overcapitalization. However, this paper is limited because it was difficult to sort the data with various areas and to approach various ways.