Zobrazeno 1 - 10
of 201
pro vyhledávání: '"Daniel Furtado Ferreira"'
Autor:
Dione Pereira Cardoso, Junior Cesar Avanzi, Daniel Furtado Ferreira, Salvador Francisco Acuña-Guzman, Marx Leandro Naves Silva, Fábio Ribeiro Pires, Nilton Curi
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 46 (2022)
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 energy multiplied by its 30-minute maximum intensity. However, the lack of detailed and re
Externí odkaz:
https://doaj.org/article/63ed7becccc949c68b011f6a9b7963eb
Publikováno v:
Ciência e Agrotecnologia, Vol 44 (2020)
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, based on the distribution of the externally studentized amplitude. The test names are Tukey M
Externí odkaz:
https://doaj.org/article/918d2b1d4d784f2b9127401eece3191c
Autor:
Thiago Vincenzi Conrado, Daniel Furtado Ferreira, Carlos Alberto Scapim, Wilson Roberto Maluf
Publikováno v:
Crop Breeding and Applied Biotechnology, Vol 17, Iss 1, Pp 1-9 (2016)
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 statistical challenges in agronomy associated with testing new cultivars, crop treatments, or methods
Externí odkaz:
https://doaj.org/article/c8c93f82fc26489a9eb72c635bb421fa
Autor:
Bráulio Fabiano Xavier de Moraes, Fernando Henrique Ribeiro Barroso Toledo, Kaio Olímpio das Graças Dias, Vinícius Teixeira Andrade, Daniel Furtado Ferreira, Flavia Maria Avelar Gonçalves
Publikováno v:
Acta Scientiarum: Agronomy, Vol 41, Iss 1 (2019)
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 the availability of resources, potentially leading to a reduction in precision. Therefore,
Externí odkaz:
https://doaj.org/article/bab206d0d6af402bb18ad7ced9f5720a
Autor:
Paulo Vitor Grillo de Souza, José Maria de Carvalho Filho, Daniel Furtado Ferreira, Jacques Miranda Filho, Homero Krauss Ribeiro Filho, Natanael Barbosa Pereira
Publikováno v:
Energies, Vol 14, Iss 1, p 149 (2020)
This paper proposes a methodology for establishing base values for short-term voltage variation indices. The work is focused on determining which variables best describe the disturbance and based on that, establish clusters that allow a more adequate
Externí odkaz:
https://doaj.org/article/6c77bf52d45f4de28405cbb514802791
Autor:
Deoclécio Domingos Garbuglio, Daniel Furtado Ferreira, Pedro Mário de Araújo, Antonio Carlos Gerage, Pedro Sentaro Shioga
Publikováno v:
Semina: Ciências Agrárias, Vol 36, Iss 6, Pp 3499-3516 (2015)
The objective of this work was to evaluate three statistical multivariate methods for analyzing adaptability and environmental stratification simultaneously, using data from maize cultivars indicated for planting in the State of Paraná-Brazil. Under
Externí odkaz:
https://doaj.org/article/99c678fcc6d442c583d72e5387ffa1a4
Autor:
Daniel Furtado Ferreira
Publikováno v:
Ciência e Agrotecnologia, Vol 38, Iss 2, Pp 109-112 (2014)
Sisvar is a statistical analysis system with a large usage by the scientific community to produce statistical analyses and to produce scientific results and conclusions. The large use of the statistical procedures of Sisvar by the scientific communit
Externí odkaz:
https://doaj.org/article/305779c19c1a41f0929eaf565a4205af
Publikováno v:
Ciência e Agrotecnologia, Vol 37, Iss 4, Pp 338-342 (2013)
The use of a large number of water quality indicators increases the costs of streamflow monitoring throughout the time. Principal Component Analysis (PCA) can be considered a promised tool for water resources management, allowing a reduction in the d
Externí odkaz:
https://doaj.org/article/8a7b52cbfc674387876adb6f4ab0efc6
Autor:
Betania Brum, Sidinei José Lopes, Daniel Furtado Ferreira, Lindolfo Storck, Alberto Cargnelutti Filho
Publikováno v:
Ciência Rural, Iss 0 (2016)
ABSTRACT: The likelihood ratio test (LRT), to the independence between two sets of variables, allows to identify whether there is a dependency relationship between them. The aim of this study was to calculate the type I error and power of the LRT for
Externí odkaz:
https://doaj.org/article/d6c8faaec0d0490c914753fe1a1933a3
Autor:
Daniel Furtado Ferreira
Publikováno v:
Ciência e Agrotecnologia, Vol 35, Iss 6, Pp 1039-1042 (2011)
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 Pascal and compiled with Borland Turbo Pascal 3. Sisvar was developed to achieve some speci
Externí odkaz:
https://doaj.org/article/ea64e28cf8de4d39998162ee8c78871d