Results 1 to 10 of about 2,457,264 (196)
Cluster Correspondence Analysis [PDF]
Psychometrika, 2016 A method is proposed that combines dimension reduction and cluster analysis for categorical data by simultaneously assigning individuals to clusters and optimal scaling values to categories in such a way that a single between variance maximization objective is achieved.
Michel van de Velden +2 more
openalex +7 more sources
, 2000 Correspondence analysis (CA) is a descriptive method which allows us to analyze and to XploRe the structure of contingency tables (or, by extension, non-negative tables where rows and columns are the entities of interest).
Benko, Michal, Lejeune, Michel
core +5 more sources
Visualizing the development of prose styles in Horse Manuals from Early Modern English to Present-Day English [PDF]
Journal of Data Mining and Digital Humanities, 2020 This paper offers a data-driven analysis of the development of English prose styles in a single genre (instructive writing) dealing with a single topic (the correct way of feeding a horse) in 13 texts with publication dates ranging between 1565 to 2009 ...
Thijs Lubbers, Bettelou Los
doaj +3 more sources
Frontiers in Agronomy, 2021 Plants cannot uptake the insoluble form of phosphate from soil. Phosphate-solubilizing microbes (PSMs) release gluconic acid (C6H12O7) that is synthesized by the interaction between co-factor pyrroloquinoline quinine (PQQ) and glucose dehydrogenase ...
Eeshita Bhanja +4 more
doaj +1 more source
Robust Correspondence Analysis
Journal of the Royal Statistical Society Series C: Applied Statistics, 2022 AbstractCorrespondence analysis is a method for the visual display of information from two-way contingency tables. We introduce a robust form of correspondence analysis based on minimum covariance determinant estimation. This leads to the systematic deletion of outlying rows of the table and to plots of greatly increased informativeness.
Riani, Marco +3 more
openaire +3 more sources
Land, 2021 Ordination methods are used in ecological multivariate statistics in order to reduce the number of dimensions and arrange individual variables along environmental variables.
Boglárka Németh +2 more
doaj +1 more source
Patent Portfolio Analysis of the Synergy between Machine Learning and Photonics
Photonics, 2022 Machine learning in photonics has potential in many industries. However, research on patent portfolios is still lacking. The purpose of this study was to assess the status of machine learning in photonics technology and patent portfolios and investigate ...
Shu-Hao Chang
doaj +1 more source
Mathematics, 2021 In the present paper, a wavelet method is proposed to study the impact of electronic media on economic situation. More precisely, wavelet techniques are applied versus classical methods to analyze economic indices in the market.
Majed S. Balalaa +2 more
doaj +1 more source
Internet Archaeology, 2007 This paper outlines an approach for the interrogation of excavated pottery assemblages from archaeological sites, as a means of providing insights into themes such social practice and identity, at an intra-site resolution.
Martin Pitts
doaj +1 more source
ANALYSIS OF EXPORT POTENTIAL AND THE ROLE OF RUSSIA IN THE GLOBAL COAL MARKET
Статистика и экономика, 2016 The role of Russia in the global coal market, as well as meaning of exports of coal production for the country has been increased during the last decade.
Peter A. Apukhtin
doaj +1 more source