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Browsing Dr Sajesh T A by Title

Browsing Dr Sajesh T A by Title

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  • EMPIRICAL STUDY ON ROBUST REGRESSION ESTIMATORS AND THEIR PERFORMANCE 
    Sajesh, T.A; Raveendran, Lakshmi (Reliability: Theory & Applications,, 2023-08)
    Regression Analysis is statistical technique to model data. But the presence of outliers and influential points affect data modelling and its interpretation. Robust regression analysis is an alternative choice to this. ...
  • FAST AND ROBUST BIVARIATE CONTROL CHARTS FOR INDIVIDUAL OBSERVATIONS 
    Sajesh, T.A (ResearchGate, 2023-12)
    There are various circumstances where it is important to simultaneously monitor or control two or more related quality characteristics. Independently tracking these quality characteristics might be quite deceptive. ...
  • Multidimensional outlier detection and robust estimation using Sn covariance 
    Kunjunni, Sajana O; Abraham, Sajesh T (Taylor & Francis Online, 2020-02-17)
    This article presents a robust method for detecting multiple outliers from multidimensional data using robust Mahalanobis distance. Initial scatter matrix for robust Mahalanobis distance is constructed using a robust ...
  • Robust quadratic discriminant analysis using Sn covariance 
    Sajana, OK; Sajesh, TA (Taylor & Francis, 2021-03-15)
    This paper presents a robust method for robust estimation of quadratic discriminant analysis. The mean and covariance matrix for estimating quadratic discriminant rule is computed using a robust estimation method called ...
  • Sn covariance 
    Kunjunni, Sajana O; Abraham, Sajesh T (Taylor & Francis Online, 2019-06-16)
    Main purpose of this paper is to study a robust measure of estimating dependence between random variables that can be used as an alternative to classical covariance estimator. An efficient univariate nested L-estimator ...

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