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Correspondence analysis of contingency tables with subpartitions on rows and columns
(Universidad Nacional de Colombia, 2013)
We present Intra-Table Correspondence Analysis using two approaches:Correspondence Analysis with respect to a model and Weighted PrincipalComponent Analysis. In addition, we use the relationship between CorrespondenceAnalysis ...
Qualitative assessment of stock prices listed on the Sao Paulo stock exchange: An approach from the perspective of homogeneity analysis
(CONSEJO LATINOAMERICANO ESCUELAS ADM-CLADEA, 2009)
The stock market suffers uncertain relations throughout the entire negotiation process, with different variables exerting direct and indirect influence on stock prices. This study focuses on the analysis of certain aspects ...
Phenotypic relationship of female sexual precocity with production and reproduction traits in beef cattle using multivariate statistical techniques
(2018-01-01)
Multivariate statistical techniques were used to characterise the differences between precocious and non-precocious Nellore females regarding the phenotypic expression of various reproductive and productive traits. Information ...
Two-way regionalized classification of multivariate datasets and its application to the assessment of hydrodynamic dispersion
(Springer, 2005-05-01)
Zones of mixing between shallow groundwaters of different composition were unravelled by two-way regionalized classification, a technique based on correspondence analysis (CA), cluster analysis (ClA) and discriminant ...
Análise proposicional quantitativa aplicada à pesquisa em administração
(FUNDACAO GETULIO VARGAS, 2011)
The analysis of interviews with open-ended questions is a common practice amongst researchers in the field of Management. The difficulty therein is to convert the linguistic data into categories or quantitative values for ...
The Ecological Basis for Biogeographic Classification: an Example in Orchid Bees (Apidae: Euglossini)
(ENTOMOLOGICAL SOC BRASILLONDRINA,, 2012)
Biogeography has been difficult to apply as a methodological approach because organismic biology is incomplete at levels where the process of formulating comparisons and analogies is complex. The study of insect biogeography ...
Comparison and correlation between chemical profiles of cephalic salivary glands and cuticle surface of workers of apis mellifera (Hymenoptera, Apidae)
(2017-01-01)
The cuticle surface of insects displays functions in communication, such as recognition. It is known that oenocytes are responsible for the origin of the compounds found in the epicuticle. Secretion of exocrine glands might ...
Structure and dynamics of the community of periphytic algae in a subtropical reservoir (state of São Paulo, Brazil)
(2013-07-01)
Much remains to be learned about biological diversity, which constitutes a valuable natural resource. Due to the pressure that human activity has put on natural resources, biodiversity has been reduced, often unbeknownst ...
Pricing corporate bonds in Brazil: 2000 to 2004
(ELSEVIER SCIENCE INC, 2009)
This paper analyzes the factors that influence the issuing price of debentures in Brazil in the period from year 2000 to 2004, applying a factor model, in which exogenous variables explain return and price behavior. The ...
Multivariate statistical-and gis-based approach developed for integrated environmental analysis in urban watershed
(2018-01-01)
This paper aims to assess the environmental quality of a small urban watershed, located at a sub-tropical region highly urbanized in Brazil, using water and soil quality, land cover and terrain characteristics. The proposed ...