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A Review on Sales on Large-scale Retailing Types in South Korea
Jeong,Dong-Bin 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
In this work, we investigate several time series models to forecast of sales at department stores and at discount stores in South Korea. Considering two large-scale retailing types are homogeneous and comparable in size based on 86 realizations taken from January in 2010 to February in 2017. The dataset of this work is got from Korean Statistical Information Service (KOSIS) and Survey of Service Trend of Korea Statistical Administration, and we exploit the procedures of IBM SPSS 23.0 such as TSPLOT, TSMODEL, EXSMOOTH, ARIMA and MODELFIT. Several model-fit measures, simultaneously, are also used as criteria of the optimal model construction. Time series models can not only predict future sales but can account for economic or business mechanism and increase our understanding of relationships among phenomena or variables under consideration.
A Study on Recent Credit Loan from Households in South Korea
Jeong,Dong-Bin 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
In this paper, we examine a causal relationship between a response variable credit loan from households and several explanatory variables such as interest of certificate of deposit (CD) and loan collateralized with housing and so on. Based on 31 observations sampled from the 4th quarter in 2008 to the 4th quarter in 2016, the optimal forecasts can be obtained and expected to apply to the distribution area comprehensively. In order to accomplish the objectives, both the multiple regression model with correlated errors and several exponential smoothing methods are, in main, analyzed by using IBM SPSS 23.0. A number of goodness-of-fit statistics, at the same time, are also exploited as a tool of optimal model-building.
충남지역 S대학의 중앙도서관과 휴게시설의 총부유분진 및 총부유세균 농도 연구
이서빈,김지욱,임채령,이정민,정소진,이민혁,손부순 순천향대학교 기초과학연구소 2021 순천향자연과학연구 논문집 Vol.27 No.1.2
The average indoor concentration of the library's TSP was 0.03 ng/m³. TAB in library and lounge in college of engineering showed higher concentrations in corridors than indoors. The correlation coefficient between TAB and humidity is 0.985, so it is judged that there is a significant need for humidity control in indoor air quality management to reduce the concentration of total suspended bacteria(p<0.01).
임정빈 경상대학교 농업생명과학연구원 2004 농업생명과학연구 Vol.38 No.1
우리 농업과 농정을 둘러싼 대내외 여건이 급격히 변화하는 상황에서 21세기에 대비할 한국 농업의 새로운 발전전략의 수립과 이를 실현하기 위한 새로운 농정 방향의 모색이 필요한 시점이다. 이에 본 논문은 우리나라 농업·농정의 대내외 여건 변화를 살펴 본 후, 이를 바탕으로 한국농업이 효과적으로 대응하기 위한 정책 방향과 우리 농업계의 과제가 무엇인지에 대해 살펴보고자 한다. It is time to establish an effective development strategy and to seek a new system of agricultural policy toward 21 century for us coping with the rapid change in internal and external environments around the Korean agriculture. To begin with, this paper investigates internal and external factors surrounding the Korean agricultural sector Based on the analysis of the factors which impact on the future Korean agriculture, the study prescribes the direction of agricultural policy and mission of the Korean agricultural sector in order to cope effectively with the rapid change in internal and external environments.
임정빈 한국농업정책학회, 한국축산경영학회 2000 농업경영정책연구 Vol.27 No.1
This paper examines the nonequivalence of a specific tariff and an ad valorem tariff under uncertainty. The two types of tariff have different implications on price and social welfare. It is shown that quota-equivalent tariffs will in general have different impacts on price and national welfare.
임정빈 漢陽大學校 韓國生活科學硏究所 1999 韓國 生活 科學 硏究 Vol.- No.17
Within the gobal ecosystem, the family may be thought of as an environment produeing resources in the form of human energy. and also environment effects as objective needs. searching for adaptive mechanisms in the family leads to such items as. (1) How does a family get information about environmental change. (2) How much control does a family have over environmental vaviation. (3) What kinds of adaptive mechanisms do family have. (4) Does family stress occur when the family must adapt to environmental forces outside thier optimum range. (5) Is there an optimum range of environmental stimulation of family behavior
박종빈,김학렬,주현준,유태양,신성남,신정현,송정섭,황기은,김소영,양세훈,정은택 圓光大學校 醫科學硏究所 2008 圓光醫科學 Vol.23 No.2
최근 흡연을 시작한 젊은 성언에서 급성 호산구성 폐렴의 발생에 대한 증례가 보고되고 있다. 급성 호산구성 폐렴은 대개 발열을 동반하기 때문에 초기에는 감염성 폐렴으로 잘못 진단, 치료되는 경우가 많다. 아직 정확한 병태 생리 및 조직학적 소견은 밝혀져 있지 않지만 병력 청취 및 임상 양상, 방사선 소견의 관찰을 통해 급성 호산구성 폐렴을 의심하고, 진단을 위해 기관지 폐포 세척액 검사를 시행한다면 좀 더 쉽게 진단 내릴 수 있을 것이다. 본 저자들은 최근 처음 시작한 흡연에 의해 발생한 급성 호산구성 폐렴을 진단하고, 스테로이드를 투여하여 성공적으로 치료한 환자 2예를 경험하였기에 이를 문헌 고찰과 함께 보고하는 바이다. Acute eosinophilic pneumonia(AEP) is characterized by acute febrile respiratory illness associated with diffuse pulmonary infiltration and pulmonary eosinophilia. The specific etiology for acute eosinophilic pneumonia is elusive. By some investigators, cigarette smoking is suggested as a causative substance which can cause AEP. In recent, the authors experienced two cases of AEP following cigarette smoking. Both cases had characteristic features including age around 20 years, new onset smoking before occurance of AEP, diffuse infiltration on chest radiography, pulmonary eosinophilia based on bronchoalveolar lavage and acute improvement after steroid therapy. These clinical features are resemble with previous smoking induced AEP case reports. Base on these clinical features, cigarette smoking associated AEP could be diagnosed more easily.