Detection of outliers in univariate circular data by means of the outlier local factor (LOF)

AH Abuzaid - Statistics in Transition. New Series, 2020 - ceeol.com
The problem of outlier detection in univariate circular data was the object of increased
interest over the last decade. New numerical and graphical methods were developed for …

Comparative study of outlier detection methods on multivariate eye data via multiple circular regression model

S Ibrahim, NA Alkasadi, MI Yusoff, LW Zhe… - AIP Conference …, 2024 - pubs.aip.org
Detection of outlier in circular data and single circular regression have received much
attention. Several diagrammatical plots and numerical presentation have been proposed to …

Outlier detection method in multiple circular regression model via robust circular distance

S Ibrahim, MI Yusoff, AM Noor, FA Adnan… - AIP Conference …, 2024 - pubs.aip.org
The method of outlier detection with regards to circular regression have been widely
developed nowadays. Several diagrammatical plots, numerical presentation as well as …

A review of detecting outlier in a circular regression model

IM Ramlee, S Ibrahim, WZ Leow… - IOP Conference Series …, 2020 - iopscience.iop.org
Circular data is very relevant and important application technique in many fields such as
physical science, medical science and others. During the last few years, writers have shown …

Comparison on the Performance of Several Outlier Detection Methods in Univariate Circular Wrapped Normal Sample

NS Zulkipli, A Rambli - Journal of Physics: Conference Series, 2019 - iopscience.iop.org
This study focuses on detecting a single outlier in circular data generated from a wrapped
normal (WN) distribution. The discordancy tests of M, A and G 1 statistics are used to detect …