nonlinear regression model
[/nɑːnˈlɪniər rɪˈɡreʃən ˈmɑːdəl/]
nounpl: nonlinear regression models
modelo de regressão não linear
1. A statistical model used to describe the relationship between a dependent variable and one or more independent variables where the relationship is not a straight line, following a nonlinear mathematical function
The researcher used a nonlinear regression model to analyze the exponential growth pattern of the bacterial population.
O pesquisador utilizou um modelo de regressão não linear para analisar o padrão de crescimento exponencial da população bacteriana.
2. A regression analysis technique where the conditional mean of the response variable is a nonlinear function of the parameters
A nonlinear regression model was fitted to the data to capture the curve-like relationship between variables.
Um modelo de regressão não linear foi ajustado aos dados para capturar a relação em forma de curva entre as variáveis.
Nonlinear regression modeling is a fundamental technique in statistics, engineering, and scientific research across both Brazilian and American academic institutions. The term is primarily used in technical, academic, and professional contexts rather than in casual conversation. In Brazil, this methodology is widely taught in graduate programs in statistics, mathematics, and engineering, particularly in research-focused universities like USP and UFRJ.
Related Idioms & Phrases
fit a nonlinear regression model to the data
nonlinear regression analysis reveals
capture nonlinearity with regression modeling
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