Search Results - "Ferreira, Daniel Furtado"

Sisvar: a Guide for its Bootstrap procedures in multiple comparisons by Ferreira, Daniel Furtado

“…Sisvar is a statistical analysis system with a large usage by the scientific community to produce statistical analyses and to produce scientific results and…”
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Nitrogen-fixing bacteria communities occurring in soils under different uses in the Western Amazon Region as indicated by nodulation of siratro (Macroptilium atropurpureum) by Lima, Adriana Silva, Nóbrega, Rafaela Simão Abrahão, Barberi, Alexandre, da Silva, Krisle, Ferreira, Daniel Furtado, Moreira, Fátima Maria de Souza

“…Understanding native communities is a crucial step for the management of biological nitrogen fixation, since they may be either a source of efficient strains…”
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Selection Index in the Study of Adaptability and Stability in Maize by Costa Melo, Wagner Mateus, Miranda Pires, Luiz Paulo, Furtado Ferreira, Daniel, Garcia Von Pinho, Renzo, Lunezzo de Oliveira, Rogério

“…This paper proposes an alternative method for evaluating the stability and adaptability of maize hybrids using a genotype-ideotype distance index (GIDI) for…”
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Robust computationally intensive and asymptotic tests for compound symmetry structure by da Costa Silva, Bruna, Ferreira, Daniel Furtado

“…The covariance matrix with compound symmetry structure is used in many statistical procedures, as in repeated measures design, in mixed linear or non-linear…”
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Maize productivity based on a distributional regression approach by Ossifo, Momate Emate, Nakamura, Luiz Ricardo, Pedro, César, Muchico, Joaquina da Márcia Jaime, Ferreira, Daniel Furtado, Souza, João Cândido de, Ribeiro, Alex de Oliveira

“…Abstract The objective of this work was to propose the use of traditional models based on distributional regression models to analyze maize productivity. The…”
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Rainfall erosivity estimation: Comparison and statistical assessment among methods using data from Southeastern Brazil by Dione Pereira Cardoso, Junior Cesar Avanzi, Daniel Furtado Ferreira, Salvador Francisco Acuña-Guzman, Marx Leandro Naves Silva, Fábio Ribeiro Pires, Nilton Curi

“…ABSTRACT Rainfall erosivity (R factor) is one of the six factors of the Universal Soil Loss Equation, being calculated based on the product of rainfall kinetic…”
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Cluster-Based Method to Determine Base Values for Short-Term Voltage Variation Indices by Souza, Paulo Vitor Grillo de, Filho, José Maria de Carvalho, Ferreira, Daniel Furtado, Filho, Jacques Miranda, Filho, Homero Krauss Ribeiro, Pereira, Natanael Barbosa

“…This paper proposes a methodology for establishing base values for short-term voltage variation indices. The work is focused on determining which variables…”
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Alternative to Tukey test by Batista, Ben Dêivide de Oliveira, Ferreira, Daniel Furtado

“…ABSTRACT In order to search for an ideal test for multiple comparison procedures, this study aimed to develop two tests, similar to the Tukey and SNK tests,…”
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Factor analysis applied to the G+GE matrix via REML/BLUP for multi-environment data by Peixouto, Leandro Santos, Nunes, José Airton Rodrigues, Furtado, Daniel Ferreira

“…Abstract The genotype x environment interaction is frequently observed in many crops and studies on environmental stratification and genotype adaptability have…”
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Sisvar: a computer statistical analysis system by Ferreira, Daniel Furtado

“…Sisvar is a statistical analysis system, first released in 1996 although its development began in 1994. The first version was done in the programming language…”
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Adjusting the Scott-Knott cluster analyses for unbalanced designs by Conrado, Thiago Vincenzi, Ferreira, Daniel Furtado, Scapim, Carlos Alberto, Maluf, Wilson Roberto

“…The Scott-Knott cluster analysis is an alternative approach to mean comparisons with high power and no subset overlapping. It is well suited for the…”
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Externally studentized normal midrange distribution by Batista, Ben Dêivide de Oliveira, Ferreira, Daniel Furtado, Chaves, Lucas Monteiro

“…ABSTRACT The distribution of externally studentized midrange was created based on the original studentization procedures of Student and was inspired in the…”
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Plot size for evaluation of Arabica coffee yield by Moraes, Bráulio Fabiano Xavier de, Toledo, Fernando Henrique Ribeiro Barroso, Dias, Kaio Olímpio das Graças, Andrade, Vinícius Teixeira, Ferreira, Daniel Furtado, Gonçalves, Flavia Maria Avelar

“…In most cases, in genetic breeding of Arabica coffee, plot size is defined in an empirical manner. It is often based only on the experience of the breeders and…”
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Differentiation in the fertility of Inceptisols as related to land use in the upper Solimões river region, western Amazon by Moreira, Fatima Maria de Souza, Nóbrega, Rafaela Simão Abrahão, Jesus, Ederson da Conceição, Ferreira, Daniel Furtado, Pérez, Daniel Vidal

“…The Upper Solimões river region, western Amazon, is the homeland of indigenous populations and contains small-scale agricultural systems that are important for…”
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Likelihood ratio test between two groups of castor oil plant traits by Brum, Betania, Lopes, Sidinei José, Ferreira, Daniel Furtado, Storck, Lindolfo, Cargnelutti Filho, Alberto

“…The likelihood ratio test (LRT), to the independence between two sets of variables, allows to identify whether there is a dependency relationship between them…”
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A Bayesian solution to the multivariate Behrens–Fisher problem by Ramos, Patrícia de Siqueira, Ferreira, Daniel Furtado

“…One of the most common problems in applied statistics is to compare two normal population means when the ratio of variances is unknown and not equal to 1. This…”
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Comparison of multivariate methods for studying the G×E interaction by Garbuglio, Deoclécio Domingos, Ferreira, Daniel Furtado, Araújo, Pedro Mário de, Gerage, Antonio Carlos, Shioga, Pedro Sentaro

“…The objective of this work was to evaluate three statistical multivariate methods for analyzing adaptability and environmental stratification simultaneously,…”
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Water quality index in two land use situations in the Mantiqueira Range by Pinto, Leandro Campos, Mello, Carlos Rogério de, Ferreira, Daniel Furtado, Ávila, Léo Fernandes

“…The use of a large number of water quality indicators increases the costs of streamflow monitoring throughout the time. Principal Component Analysis (PCA) can…”
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TVMM: an R package for testing hypothesis on mean vectors by Alves, Henrique José de Paula, Furtado Ferreira, Daniel, Deivide de Oliveira Batista, Ben

“…TThe Multivariate Tests for the Vector of Means (TVMM) package has six functions: T2O function, which computes Hotelling original’s T² test; T2Boot function,…”
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Means Grouping based on Studentized Midrange by Batista, Ben Dêivide de Oliveira, Furtado Ferreira, Daniel, Fernando Rodrigues Santos, Matheus, José de Paula Alves, Henrique

“…The purpose of this paper was to develop two procedures of multiple comparisons based on methods of clustering means, that is, MGM and MGR tests. The first is…”
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