KIPS Transactions on Software and Data Engineering (정보처리학회논문지:소프트웨어 및 데이터공학)

Korea Information Processing Society (한국정보처리학회)
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A Study on Prediction of Attendance in Korean Baseball League Using Artificial Neural Network

인경신경망을 이용한 한국프로야구 관중 수요 예측에 관한 연구

  • 박진욱 (연세대학교 컴퓨터과학과) ;
  • 박상현 (연세대학교 컴퓨터과학과)
  • Received : 2017.07.17
  • Accepted : 2017.08.17
  • Published : 2017.12.31
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Abstract

Traditional method for time series analysis, autoregressive integrated moving average (ARIMA) allows to mine significant patterns from the past observations using autocorrelation and to forecast future sequences. However, Korean baseball games do not have regular intervals to analyze relationship among the past attendance observations. To address this issue, we propose artificial neural network (ANN) based attendance prediction model using various measures including performance, team characteristics and social influences. We optimized ANNs using grid search to construct optimal model for regression problem. The evaluation shows that the optimal and ensemble model outperform the baseline model, linear regression model.

본 연구는 기존의 수요 예측 등의 시계열 연구에서 주로 사용되는 ARIMA 모형의 어려움을 극복하고자 인공신경망(Artificial neural network) 모형을 이용하여 한국 프로 야구 관중 수를 예측하였다. 훈련 자료로는 2015년 3월부터 9월까지의 일별 KBO 관중 수 자료를 대상으로 하였다. 전방향 신경망(Feedforward neural network)의 모형 훈련 과정에서, 그리드 탐색(Grid search)을 적용하여 최적의 초모수(Hyperparameter)를 찾고자 하였다. 그 결과, 그리드 탐색법의 최적 모형을 이용한 평균 절대 백분율 오차(MAPE)는 평균 20.9% 였다. 앙상블 기법을 이용한 모형의 MAPE는 평균 20.0%였다. 이는 다중회귀와 비교해보았을 때, 평균적으로 각각 26.3%, 30.3% 높은 예측력을 보인다.

Keywords

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