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No seguimento dum artigo anterior acerca da análise de regressão não-linear (simples) utilizando a ferramenta Solver® do Excel® (Esteves, 2010) propõe-se neste artigo a apresentação do R, uma linguagem de programação e um ambiente para computação estatística e gráfica, através da sua aplicação na “descrição” de relações estatísticas (não-lineares) entre variáveis.
Acta Scientiarum. Technology
Algumas considerações em regressão não linear2008 •
Resumo Diferente dos modelos de regressão lineares, em que a qualidade e principalmente a validade do ajuste são simplesmente avaliadas por meio de diagnósticos de regressão, no caso não linear, além de diagnósticos usuais, outros procedimentos ...
2009 •
The use of models to describe the growths of plants has a wide application in the agronomy and cattle research. In this type of research, two problems are often present: to find the model that shows more information, which is best fitted to the biologic phenomenon and identifying curves that are statistically equal. Thus, the objective of the present work was to compare the quality adjustments models of non linear regression in the description of growth and to compare the curves from this best model in relation to different treatments. Data from an experiment installed in a factorial arrangement 2x5, in a randomized design of blocks with eight repetitions were used. The levels of treatments were constituted by two banana tree cultivars and five doses of a growth regulator. The cluster analysis was used with three statistics that allowed access to the ideal number of groups. In the comparison of growth models, the superiority of the logistic model was observed. For comparison of treatments, it was verified that the cluster method analysis with the changes proposed allowed to detect three groups of treatments, that are similar to the biologic behavior.
Tutorial introdutório de criação de um modelo de regressão linear no Azure Machine Learning Studio para predição de preços de automóveis usados.
Alergia e Imunologia: abordagens clínicas e prevenções
Rnas Longos Não Codificadores e Rinite: Uma RevisãoCUP Elements in The Archaeology of Ancient Israel
Elements in The Archaeology of Ancient Israel2023 •
2006 •
Marín‐Buzón, C. Pérez‐Romero, A., López‐Castro, J.L., Ben Jerbania, I. y Manzano‐Agugliaro, F., “Photogrammetry as a New Scientific Tool in Archaeology: Worldwide Research Trends”, Sustainability 2021, 13, 5319.
Photogrammetry as a New Scientific Tool in Archaeology: Worldwide Research Trends2021 •
Dialogues in Urban Research
Fie, foh, and fum, smelling the work of other urban scholars2023 •
2014 •
2008 •
Suplementos Académicos del Fondo Editorial UCSS
Estidad: La irremplazable haecceitas de Duns Escoto2018 •
American Journal of Infection Control
A 10-year prospective surveillance of nosocomial infections in neonatal intensive care units2007 •
Environmental Science and Pollution Research
Adsorptive and photocatalytic activity of Fe3O4-functionalized multilayer graphene oxide in the treatment of industrial textile wastewaterBulletin of the American Physical Society
Spin lifetime dependence on spin injection orientation in strained silicon films2015 •
Social Compass
Pas de minarets au paradis ! Le vote suisse du 29 novembre 2009 et la « question islamique » en Europe2018 •
Nature Communications
Efficient arbitrary simultaneously entangling gates on a trapped-ion quantum computer2020 •
2022 •
International Journal of Gynecology & Obstetrics
Potential impact of introducing a nonavalent HPV vaccination2018 •
Neuromuscular Disorders
Language, speech, and oromotor function in children with Pompe disease2020 •
Molecular and Cellular Biochemistry
Isolation and characterization of stem-like cells from a human ovarian cancer cell line2011 •
Nursing Problems / Problemy Pielęgniarstwa
Nutritional status assessment and occurence of complications in patients after gastrectomy2014 •
2019 •
Economics & Sociology
Is there happiness in money? An attitudinal study of native Lithuanian speakers2023 •
Infection and immunity
Genetic Polymorphisms in Cytokine Genes in Colombian Patients with Ocular Toxoplasmosis2018 •
Eduardo Esteves