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Multivariate analysis to research innovation complementarities
(Taylor & Francis, 2017-10)
It is widely recognized that orthodox economics is obsessed with econometrics tools. However, econometrics techniques have a limited capacity to deal with qualitative variables coming from surveys. This paper presents a ...
Evaluation of the combined solar TiO2/photo-Fenton process using multivariate analysis
(2004-04-21)
The effect of combining the photocatalytic processes using TiO 2 and the photo-Fenton reaction with Fe3+ or ferrioxalate as a source of Fe2+ was investigated in the degradation of 4-chlorophenol (4CP) and dichloroacetic ...
Uncommon multivariate statistical methods for environmental studies: A review
(Elsevier, 2015-05)
In this paper we describe the characteristics and the applications of the multivariate methods for spectroscopic and chromatographic techniques independent component analysis (ICA) and two-dimensional correlation spectroscopy ...
American cutaneusleishmaniasisprofi le in a braziliamSouthwestern Amazonia: a multivariate approach
(Univ Santa Cruz Do Sul, 2018-01-01)
Background and Objectives: The American Cutaneous Leishmaniasis (ACL) is a disease of complex chain of transmission subject to various determinants, in the same region. Theaim was to analyze the ACL behavior and identify ...
Análise multivariada de microbacias em relação ao tipo de solo
(2010-04-01)
The objective of this work was to study the dimensional parameters of the drainage net using 12 third-order ramification hydrological watersheds: 4 watersheds per soil unit (LVA, RL and RQ). The soil distinction was realized ...
GC Fingerprints Coupled to Pattern-Recognition Multivariate SIMCA Chemometric Analysis for Brazilian Gasoline Quality Studies
(Vieweg, 2009-10-01)
ASTM D6729 gas chromatographic fingerprinting coupled to pattern-recognition multivariate soft independent modeling of class analogy (SIMCA) chemometric analysis provides an original and alternative approach to screening ...
The Use of Near-Infrared Spectroscopy and Chemometrics for Determining the Shelf-Life of Products
(Soc Applied SpectroscopyFrederickEUA, 2009)
Screening Brazilian Commercial Gasoline Quality by ASTM D6733 GC and Pattern-Recognition Multivariate SIMCA Chemometric Analysis
(Vieweg, 2009-04-01)
The combination of ASTM D6733 gas chromatographic fingerprinting data with pattern-recognition multivariate soft independent modeling of class analogy (SIMCA) chemometric analysis provides an original and alternative ...
Aplicativos computacionais para geografia: classificacao multivariada por agrupamento
(1988-12-01)
This paper presents a method for multidimensional classification (Cluster Analysis), as well as a 8 bits microcomputer program in BASIC that automates the process. A practical application of the model is also presented. ...