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Author(s): MARCELINO, A. D. A. de L.; FERNANDES, P. D.; RAMOS, J. P. C.; DUTRA, W. F.; CAVALCANTI, J. J. V.; SANTOS, R. C. dos ABSTRACT: Two multivariate methods were adopted to classify salt-tolerant cotton genotypes based on their growth and physiological traits. The genotypes were cultivated in a greenhouse and subjected t... ... |
Author(s): NOVOTNY, E. H.; GARCIA, R. H. S.; AZEVEDO, E. R. de Multivariate Curve Resolution (MCR) is a multivariate analysis procedure commonly used to analyze spectroscopic data providing the number of components coexisting in a chemical system, the pure spectr... ... |
Author(s): VASQUES, G. de M.; DEMATTE, J. A. M.; LOPEZ, L. R.; TERRA, F. da S. Abstract : Visible/near-infrared diffuse reflectance spectroscopy (VNIRS) offers an alternative to conventional analytical methods to estimate various soil attributes. However, the use of VNIRS in soi... ... |
Author(s): FASIABEN, M. do C. R.; OLIVEIRA, A. de; MARIM, F.; MAIA, A.; ALMEIDA, M.; OLIVEIRA, O. de This paper addresses the classification and characterization of the sugarcane producing municipalities in Brazil, using techniques of multivariate statistical analysis (factor and cluster analysis). |
Author(s): HIDALGO CHÁVEZ, D. W.; SILVA, F. L. C. DA; PINTO, R. V.; CARVALHO, C. W. P. de; FREITAS-SILVA, O. This article describes simple methods to group images including principal component analysis (PCA) and hierarchical clustering of principal components (HCPC). Images of expanded and low expanded extru... ... |
Author(s): BAQUETA, M. R.; ALVES, E. A.; VALDERRAMA, P.; PALLONE, J. A. L. High-quality Brazilian Canephora coffees are rising to the level of specialty coffees in the face of a new industry perception. In this framework, spectra from 527 coffees were analyzed in the near-in... ... |
Author(s): SALVIANO, A. M.; OLSZEVSKI, N.; ARCOVERDE, S. N. S.; MELO, S. B. de; GIONGO, V.; CUNHA, T. J. F.; PEREIRA, J. S. stract: The aim of this work is to define indices of soil chemical quality in intense agricultural activity area surrounding Sobradinho Lake, State of Bahia, Brazil, by means of multivariate statistic... ... |
Author(s): ARANDAS, J. K. G.; ALVES, A. G. C.; FACO, O.; BELCHIOR, E. B.; SHIOTSUKI, L.; RIBEIRO, M. N. Abstract: This study aimed to characterize the purebred Morada Nova sheep and crossbred farming systems in Ceará State, Brazil, through multivariate analysis. The study was carried out in the Morada N... ... |
Author(s): PEREIRA, M. G.; VALLADARES, G. S.; ANJOS, L. H. C.; EBELING, A. G.; BENITES, V. de M.
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Author(s): CASSARO, R.; FERREIRA, R. R. M.; FERREIRA, V. R. M.; RODRIGUES, V. G. S. Abstract: When analyzing a database, summarize collected information is the analyst main challenge. In many cases, when you have a large number of data, it may be of interest to create groups. A clust... ... |
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