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Author(s): BOSSU, C. M.; NOGUEIRA, A. R. de A.; FERREIRA, E.

A espectrofotometria é uma das técnicas analíticas mais utilizadas para determinações quantitativas de espécies químicas. A técnica baseia'-se na absorção de radiações de determinados comprimentos de... ...

Repository: BDPA     Publication year: 2006

Author(s): BREITKREITZ, M. C.; SOUZA, A. M. de; POPPI, R. J.

O objetivo deste trabalho é fornecer uma opção de experimento didático para o ensino de planejamento e otimização de experimentos a professores de Química Analítica dentro de uma disciplina especí-fic... ...

Repository: BDPA     Publication year: 2014

Author(s): SANTANA, F. B. de; SOUZA, A. M. de; ALMEIDA, M. R.; BREITKREITZ, M. C.; FILGUEIRAS, P. R.; SENA, M. M.; POPPI, R. J.

A teaching experiment on supervised pattern recognition in chemometrics was proposed in this tutorial to introduce partial least squares discriminant analysis (PLS-DA). A new approach of the experimen... ...

Repository: BDPA     Publication year: 2020

Author(s): RIOS, C. A.; SOUZA, A. M. de; POPPI, R. J.; BREITKREITZ, M. C.

The aim of this manuscript was to show the concepts involving data treatment of RGB based image analysis by univariate and multivariate approaches - the latter using Partial Least Squares (PLS) - usin... ...

Repository: BDPA     Publication year: 2022

Author(s): SOUZA, A. M. de; BREITKREITZ, M. C.; FILGUEIRAS, P. R.; ROHWEDDER, J. J. R.; POPPI, R. J.

The aim of this manuscript was to show the basic concepts and practical application of Partial Least Squares (PLS) as a tutorial, using the Matlab computing environment for beginners, undergraduate an... ...

Repository: BDPA     Publication year: 2013

Author(s): SOUZA, A. M. de; POPPI, R. J.

This manuscript aims to show the basic concepts and practical application of Principal Component Analysis (PCA) as a tutorial, using Matlab or Octave computing environment for beginners, undergraduate... ...

Repository: BDPA     Publication year: 2012

Author(s): RESENDE, M. D. V. de; DUARTE, J. B.

This study had as objective to propose a new approach for quality evaluation of variety trials for determination of cropping and use values (VCU), which considers three attributes simultaneously: magn... ...

Repository: BDPA     Publication year: 2007

Author(s): COLDEBELLA, A.; AVILA, V. S. de; BRUM, P. A. R. de; FIGUEIREDO, E. A. P. de

Repository: BDPA     Publication year: 2005

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