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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국사회체육학회 한국사회체육학회지 한국사회체육학회지 제16권
발행연도
2001.11
수록면
807 - 819 (13page)

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초록· 키워드

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The purpose of this study is to estimate a model of professional baseball which is for predicting whether win or lose the game. These were made by collecting baseball records and would were used for team strategy. Baseball teams, therefore, would have more scientific strategies and have better games. The data used for this study were professional baseball game records for 98 year. The statistical methods used for predicting a game were logistic regression analysis and decision tree analysis and major results are as follows. First, in order to analyze effects on total 11 records factors to the game which win or lost, logistic regression analysis was performed. Concentration, total base hit, the number of error, sacrifice hit, struck out, left on base, base on balls, stolen base, double play out, playing in home field, and long hit affected on the game in order. Among these factors, concentration(p=.0001), total hit(p=.0001), the number of error(p=-.301), sacrifice hit(p=.225), struck out(p=.0004) and left on base(p=-.307) significantly affected the game. Second, the predicted model through selecting variable method was E(logit)=-3.0541+0.3820×sacrifice hit-0.1150×struck out+0.1443×total hit+0.1484×stolen base-0.6547×error+4.2716×concentration. Concentration, total hit, the number of error, struck out, sacrifice hit had their effects in order. Third, the analysis of decision making tree showed that.3-.53 of concentration,.29-.4 of long hit, no error and over 2 sacrifice hit in the case of 93.8% win. Next, over.53 concentration, below 9-14 of total hit, below 7 of struck out and no error were come out in 93.2% win. The lowest winning percentage was 6.3% which had below.3 of concentration, no sacrifice hit, and below 1 of stolen base. Next.3-.53 of concentration, below.29-.4 of long hit, over 1 errors and having visit game were resulted in 10°% winning percentage.

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