Results 21 to 30 of about 597,726 (265)

Generating Facial Composites from Principal Components

open access: yesMATEC Web of Conferences, 2016
Penetrating computers and process automation into all the fields of human activity meant a breakthrough in the research of forensic methods applied on facial composite production.
Zahradnikova Barbora   +2 more
doaj   +1 more source

Interpretability of Composite Indicators Based on Principal Components

open access: yesJournal of Probability and Statistics, 2022
Principal component approaches are often used in the construction of composite indicators to summarize the information of input variables. The gain of dimension reduction comes at the cost of difficulties in interpretation, inaccurate targeting, and ...
Kris Boudt   +3 more
doaj   +1 more source

Modal Principal Component Analysis [PDF]

open access: yesNeural Computation, 2020
Principal component analysis (PCA) is a widely used method for data processing, such as for dimension reduction and visualization. Standard PCA is known to be sensitive to outliers, and various robust PCA methods have been proposed. It has been shown that the robustness of many statistical methods can be improved using mode estimation instead of mean ...
Keishi Sando, Hideitsu Hino
openaire   +3 more sources

A new statistical method for the comparison of biplots with the same objects and variables

open access: yesEcological Indicators, 2023
Ordinations are compared most commonly by Procrustes methods applicable to points belonging to the same domain, either the objects or the variables describing them.
Attila István Engloner, János Podani
doaj   +1 more source

Principal volatil components of Txakoli of Bizkaia

open access: yesOENO One, 1995
The aim of this work was to characterize the Txakoli of Bizkaia, a wine produced in the Basque Country. This note gives account of the volatile content of the wine which has been awarded by the Denominacíon de Origen Bizkaiko Txakolina quality label ...
Ana Escobal   +2 more
doaj   +1 more source

A Graphical Procedure for Determining Useful Principal Components [PDF]

open access: yesThe Egyptian Statistical Journal, 2012
One of the purposes of principal component analysis is to reduce the dimensionality of the set of variables. Several approaches have been suggested by different authors for determining the number of principal components that should be kept for further ...
Nehad A.Mokhlis   +2 more
doaj   +1 more source

Principal components analysis of employment in Eastern Europe [PDF]

open access: yesPanoeconomicus, 2006
For the last decade, the employment structure is one of the fastest changing areas of Eastern Europe. This paper explores the best methodology to compare the employment situations in the countries of this region.
Savić Mirko
doaj   +1 more source

Genetic associations between visual scores, body weight and age at first calving in nellore breed cattle [PDF]

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2020
Body weight records of 231,416 Nellore females obtained from the Brazilian Association of Zebu Breeders were used to determine a linear combination between visual appraisal scores (body structure, precocity and muscling) using principal components ...
F.B. Freitas   +5 more
doaj   +1 more source

Principal components: A descent algorithm [PDF]

open access: yesJournal of Computational Physics, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Rebeca Salas-Boni, Esteban G. Tabak
openaire   +2 more sources

PRINCIPAL COMPONENTS TO OVERCOME MULTICOLLINEARITY PROBLEM [PDF]

open access: yesOradea Journal of Business and Economics, 2019
The impact of ignoring collinearity among predictors is well documented in a statistical literature. An attempt has been made in this study to document application of Principal components as remedial solution to this problem.
Abubakari S.Gwelo
doaj  

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