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    DACON Monthly 2020 D Cup Google Analytics Data Competition

    Algorithm | Structured | Regression | Behavioral psychology | RMSE

    • moneyIcon Prize : 총 100만원 + 데이콘 기념품
    • 595 Users Completed
    Closed
    Overview Data Code (share) Talk Leaderboard

     

    private 8위, 점수 : 5.04542, ARIMA 모델

    바람
    2021.01.22 19:46 6,375 Views language
    comments 0

    R을 이용한 ARIMA 적합모형

    사용자 {logX_t} ~ ARIMA(1,1,2)(1,1,1)_7
    세션 {logY_t} ~ ARIMA(1,1,2)(1,1,1)_7
    신규방문자 {logZ_t} ~ ARIMA(2,1,2)(1,1,1)_7
    페이지뷰 {logW_t} ~ ARIMA(1,1,2)(0,1,1)_7
    log 변환 후 차분
    차분 결과 일주일의 주기성을 보여 계절차분
    AIC를 이용한 ARIMA계수 결정
    적합모형 잔차분석
    적합모형을 이용한 예측

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    Competition - 월간 데이콘 2020 D CUP Google Analytics 데이터 경진대회
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