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장민식,윤승중,송병흠 한국항공운항학회 1997 한국항공운항학회지 Vol.5 No.1
Generally, air freight forecasting model used to major factar GNP(GDP1, Yield, Exchange rate, as its independent variables. We studied about the factors that affect to Air Freight in Korea, and we found six affective variables. Those are GNP, Exchange rate, Flight routes, Flight numbers, Sum of dollars Export and import. To find the relationship between the Air Freight and GNP, Exchange rate, Fliiht routes, Flight numbers, Sum of dollars Export and import we used regression analysis. Through the regression analysis, we found some problems in the model. There are collieneraities between the variables, so we took the variables selection model to choose the best affective variables of air cargo. We have defined the the Korean air freight forecasting model with two variables and forecast far the 1996 - 2010 period were made by using this model.
장민식,최성옥 한국항공운항학회 1999 한국항공운항학회지 Vol.7 No.1
selfxtion can reduce training veness of the successful trainees. Many countries in the world, they various kind of aptitude test. Especially in Sweden, not like the can reduce training wastage it is not directly effective to era1 aptitude test in civil aviatlon in Korea, especially they attach the selection system. They take importance to personality test. For the validity and accuracy of the aptitude test, until training pilot become professional pilot, we need a comparison analysis for initial aptitude test through the continuous observation. For theses process, we need a department with special person and development of testing system