APPLICATION OF THE PRAIS WINSTEN METHOD IN OVERCOMING AUTOCORRELATION ON LIFE EXPECTATION FACTORS

autocorrelation life expectancy prais winsten

Authors

  • Hardian Bimanto
    hardian.bimanto-2019@fkm.unair.ac.id
    Faculty of Public Health, Universitas Airlangga, 60115 Surabaya, East Java, Indonesia
  • Hari Basuki Notobroto Faculty of Public Health, Universitas Airlangga, 60115 Surabaya, East Java, Indonesia
  • Soenarnatalina Melaniani Faculty of Public Health, Universitas Airlangga, 60115 Surabaya, East Java, Indonesia
July 6, 2023

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One of the error conditions that are required to be met is the absence of autocorrelation problems. Autocorrelation is a correlation of errors between observations, the existence of an error correlation between observations will cause deviations from the actual statistical value. One of the statistical methods for overcoming autocorrelation is the Prais Winsten method. This study aims to explain the Prais Winsten method in overcoming the problem of autocorrelation on factors that affect the life expectancy of East Java Province in 2018. This research is a secondary data analysis, data obtained from the East Java Province's health profile in 2018 with the dependent variable, namely life expectancy, and independent variables, namely prevalence of diarrhea, clean and healthy living behavior, and mean years of school. The results of this research indicated the finding of autocorrelation problems in the factors that affected the life expectancy of East Java Province in 2018. Improvements with the Prais Winsten method showed that the Durbin Watson value was at the critical point limit, Mean Square Error and coefficient of determination (R2) value was decreasing. This research concludes that the Prais Winsten method can overcome autocorrelation.

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