Results 51 to 60 of about 2,060,595 (185)

Multivariate exploratory data analysis: bias assessment [PDF]

, 2000
El objetivo de la presente investigación fue evaluar si el sesgo cometido por los sujetos en una tarea de clasificación de estímulos varió en función del formato de presentación (soles o estrellas) y la forma de asignar las variables (aleatoria ...
Jurado Muriel, Trinidad, López Domínguez, M.L., Morales Ortiz, Manuel   +2 more
core  

Electron-hadron shower discrimination in a liquid argon time projection chamber [PDF]

, 2013
By exploiting structural differences between electromagnetic and hadronic showers in a multivariate analysis we present an efficient Electron-Hadron discrimination algorithm for liquid argon time projection chambers, validated using Geant4 simulated ...
A. Ankowski, A. Ereditato, A. J. Bennieston, A. Rubbia, B. Andrieu, B. Fleming, B. Morgan, C. Andreopoulos, C. Rubbia, C.B. Barber, E. Aprile, E.F. Martinez, G. J. Barker, I.T. Jolliffe, J. J. Back, M. Tanaka, P. Huber, P. Speckmayer, S. Agostinelli, S. Amoruso, S. B. Boyd, T.E. Oliphant, Y. A. Ramachers   +22 more
core   +2 more sources

Feasibility of Vis/NIR spectroscopy to detect and estimate fungicide residues on intact lettuces

Advances in Horticultural Science, 2020
Pesticides are applied repeatedly to grain, fruit, and vegetable crops for protection against pathogens, pests, and weeds, in short periods of time before harvest.
Antonio José Steidle Neto, Daniela de Carvalho Lopes, Washington Azevêdo da Silva   +2 more
doaj   +1 more source

Multivariate data analysis in engineering applications [PDF]

, 2015
The information age has resulted in masses of data in every field. Techniques to analyse this data are therefore becoming more and more important in all branches of engineering as well.
Vuksanovic, Branislav
core  

Multivariate Frequency and Amplitude Estimation for Unevenly Sampled Data Using and Extending the Lomb–Scargle Method

Sensors
The Lomb–Scargle method (LSM) constitutes a robust method for frequency and amplitude estimation in cases where data exhibit irregular or sparse sampling.
Martin Seilmayer, Thomas Wondrak, Ferran Garcia   +2 more
doaj   +1 more source

ecp: An R Package for Nonparametric Multiple Change Point Analysis of Multivariate Data [PDF]

, 2013
There are many different ways in which change point analysis can be performed, from purely parametric methods to those that are distribution free. The ecp package is designed to perform multiple change point analysis while making as few assumptions as ...
James, Nicholas A., Matteson, David S.
core  

Patterns of Variation and Chemosystematic Significance of Phenolic Compounds in the Genus Cyclopia (Fabaceae, Podalyrieae)

Molecules, 2019
As a contribution towards a better understanding of phenolic variation in the genus Cyclopia (honeybush tea), a collection of 82 samples from 15 of the 23 known species was analysed using liquid-chromatography−high resolution mass spectrometry ...
Maria. A. Stander, Herman Redelinghuys, Keabetswe Masike, Helen Long, Ben-Erik Van Wyk   +4 more
doaj   +1 more source

CHEMICAL VARIABILITY OF Allamanda cathartica L. FLOWERS ASSESSED BY MULTIVARIATE DATA ANALYSIS

Química Nova
The aim of this study was to determine the chemical variability of Allamanda cathartica flowers collected in different localities of Santa Catarina State, Brazil.
Deivisson W. Rodrigues, Ana Flavia F. Muller, Tiago J. Bonomini, Luiz C. Klein-Júnior, Ruth M. Lucinda-Silva, Angela Malheiros   +5 more
doaj   +1 more source

Impact of phytosterols on liver and distal colon metabolome in experimental murine colitis model: an explorative study

Journal of Enzyme Inhibition and Medicinal Chemistry, 2019
Phytosterols are known to reduce plasma cholesterol levels and thereby reduce cardiovascular risk. Studies conducted on human and animal models have demonstrated that these compounds have also anti-inflammatory effects.
Nunzia Iaccarino, Jussara Amato, Bruno Pagano, Anna Di Porzio, Matteo Micucci, Luca Bolelli, Rita Aldini, Ettore Novellino, Roberta Budriesi, Antonio Randazzo   +9 more
doaj   +1 more source

An R library for compositional data analysis in archaeometry [PDF]

, 2005
Compositional data naturally arises from the scientific analysis of the chemical composition of archaeological material such as ceramic and glass artefacts.
Baxter, MJ, Beardah, CC
core   +1 more source