Browsing Research Articles (University of Pretoria) by UP Author "Salehi, Mahdi"

Browsing Research Articles (University of Pretoria) by UP Author "Salehi, Mahdi"

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  • Estimation of the inequality indices based on the well-known rank-based sampling schemes 
    Rad, Najmeh Nakhaei; Salehi, Mahdi; Mehrali, Yaser (Taylor and Francis, 2022)
    Using the simple random sampling (SRS) for collecting the income data may results poor estimators specially when the sample size is not enough large. Since under this circumstance, it may be difficult to obtain a representative ...
  • A semi-parametric density estimation with application in clustering 
    Salehi, Mahdi; Bekker, Andriette, 1958-; Arashi, Mohammad (Springer, 2023-04)
    The idea behind density-based clustering is to associate groups to the connected components of the level sets of the density of the data to be estimated by a nonparametric method. This approach claims some advantages over ...