regression index

[rɪˈɡreʃən ˈɪndeks]
nounpl: regression indices / regression indexes
índice de regressão
1. A statistical measure that quantifies the strength and direction of the relationship between a dependent variable and one or more independent variables in a regression model
The regression index showed a strong positive correlation between advertising spending and sales revenue.
O índice de regressão mostrou uma forte correlação positiva entre gastos em publicidade e receita de vendas.
2. A numerical value derived from regression analysis used to assess model fit and predictive power
Researchers calculated the regression index to evaluate how well their model explained the variance in patient outcomes.
Os pesquisadores calcularam o índice de regressão para avaliar o quão bem seu modelo explicava a variância nos resultados dos pacientes.
The term 'regression index' is primarily used in academic and professional statistical contexts in both Brazil and the United States. It is fundamental in fields such as economics, psychology, medicine, and data science. In Brazilian Portuguese academic literature, 'índice de regressão' appears frequently in research papers and statistical software documentation.
Synonyms / Sinônimos
regression coefficientcorrelation indexR-squaredcoefficient of determination

Regional Variations

General Brazilian
índice de regressão
Standard term used in statistics and econometrics
Portugal
índice de regressão
Same term used, consistent with Brazilian Portuguese
USA Academic
regression index
Primary technical term in English-speaking statistical communities

Related Words

linear regressionmultiple regressionstatistical analysiscorrelation coefficientmodel validationpredictive modeling

Related Idioms & Phrases

measure of regression
calculate the regression index
interpret the regression index
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