Comparison of robust estimators for detecting outliers in multivariate datasets

SSS Abd Mutalib, SZ Satari… - Journal of Physics …, 2021 - iopscience.iop.org
Detecting outliers for multivariate data is difficult and does not work by visual inspection.
Mahalanobis distance (MD) has been a classical method to detect outliers in multivariate …

Comparison of Robust Estimators' Performance for Detecting Outliers in Multivariate Data

SSS Abd Mutalib, SZ Satari… - Journal of Statistical …, 2021 - adum.um.edu.my
In multivariate data, outliers are difficult to detect especially when the dimension of the data
increase. Mahalanobis distance (MD) has been one of the classical methods to detect …

A new robust estimator to detect outliers for multivariate data

SSS Abd Mutalib, SZ Satari… - Journal of Physics …, 2019 - iopscience.iop.org
Mahalanobis distance (MD) is a classical method to detect outliers for multivariate data.
However, classical mean and covariance matrix in MD suffered from masking and swamping …

A Review on Outliers-Detection Methods for Multivariate Data

SSS Abd Mutalib, SZ Satari… - Journal of Statistical …, 2021 - borneojournal.um.edu.my
Data in practice are often of high dimension and multivariate in nature. Detection of outliers
has been one of the problems in multivariate analysis. Detecting outliers in multivariate data …

Comparative study of test on covariance performance in two outlier scenarios

SSSA Mutalib, SZ Satari, WNSW Yusoff - AIP Conference Proceedings, 2024 - pubs.aip.org
In practice, multivariate data frequently include outliers. Since outliers can cause incorrect
conclusions, a robust estimator must be used to analyze the data as the robust estimator is …