Multivariate functional outlier detection

M Hubert, PJ Rousseeuw, P Segaert - Statistical Methods & Applications, 2015 - Springer
Functional data are occurring more and more often in practice, and various statistical
techniques have been developed to analyze them. In this paper we consider multivariate …

MULTIVARIATE QUANTILES AND MULTIPLE-OUTPUT REGRESSION QUANTILES: FROM L ₁ OPTIMIZATION TO HALFSPACE DEPTH [with Discussion and …

M Hallin, D Paindaveine, M Šiman, Y Wei… - The Annals of …, 2010 - JSTOR
A new multivariate concept of quantile, based on a directional version of Koenker and
Bassett's traditional regression quantiles, is introduced for multivariate location and multiple …

[PDF][PDF] Outlier detection in multivariate data

KS Kannan, K Manoj - Applied mathematical sciences, 2015 - researchgate.net
The objective of this research is detection of outliers in multivariate data employing various
distance measure, particularly using robust regression diagnosis technique. Several …

Abnormal data detection based on adaptive sliding window and weighted multiscale local outlier factor for machinery health monitoring

Q **e, G Tao, C **e, Z Wen - IEEE Transactions on Industrial …, 2022 - ieeexplore.ieee.org
Identifying abnormal data to improve data quality is of great importance for machinery health
monitoring (MHM). Existing abnormal data detection methods generally depend on …

Exploratory functional flood frequency analysis and outlier detection

F Chebana, S Dabo‐Niang… - Water Resources …, 2012 - Wiley Online Library
The prevention of flood risks and the effective planning and management of water resources
require river flows to be continuously measured and analyzed at a number of stations. For a …

Whole-genome characterization of lung adenocarcinomas lacking alterations in the RTK/RAS/RAF pathway

J Carrot-Zhang, X Yao, S Devarakonda, A Deshpande… - Cell reports, 2021 - cell.com
Summary RTK/RAS/RAF pathway alterations (RPAs) are a hallmark of lung
adenocarcinoma (LUAD). In this study, we use whole-genome sequencing (WGS) of 85 …

Boxplot-based outlier detection for the location-scale family

YH Dovoedo, S Chakraborti - Communications in statistics …, 2015 - Taylor & Francis
Boxplots are among the most widely used exploratory data analysis (EDA) tools in statistical
practice. Typical applications of boxplots include eliciting information about the underlying …

The growing hierarchical neural gas self-organizing neural network

EJ Palomo, E López-Rubio - IEEE transactions on neural …, 2016 - ieeexplore.ieee.org
The growing neural gas (GNG) self-organizing neural network stands as one of the most
successful examples of unsupervised learning of a graph of processing units. Despite its …

A complete procedure for multivariate index-flood model application

AI Requena, F Chebana, L Mediero - Journal of Hydrology, 2016 - Elsevier
Multivariate frequency analyses are needed to study floods due to dependence existing
among representative variables of the flood hydrograph. Particularly, multivariate analyses …

Dynamic emotion modelling and anomaly detection in conversation based on emotional transition tensor

X Sun, C Zhang, L Li - Information Fusion, 2019 - Elsevier
Conversational data in social media contain a great deal of useful information, and
conversation anomaly detection is an important research direction in the field of sentiment …