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  1. No Access

    Article

    Heteroscedasticity Detection and Estimation with Quantile Difference Method

    When dealing with regression analysis, heteroscedasticity is a problem that the authors have to face with. Especially if little information can be got in advance, detection of heteroscedasticity as well as est...

    Wentao **a, Wei **ong, Maozai Tian in Journal of Systems Science and Complexity (2016)

  2. No Access

    Article

    Lack-of-fit tests based on weighted ratio of residuals and variances

    This article proposes a new lack-of-test based on the weighted ratio of residuals and variances for partially linear regression models. The large and small sampling properties of the proposed test are establis...

    Maozai Tian, Youxi Luo, Yunan Su, Yan Fan… in Journal of Systems Science and Complexity (2012)