variance explained

[VER-ee-ens ik-SPLEYND]
noun phrase
variância explicada
1. The proportion of the total variation in a dependent variable that is accounted for by one or more independent variables in a statistical model, often expressed as R-squared (R²)
The regression model showed that 75% of the variance explained in housing prices could be attributed to location and square footage.
O modelo de regressão mostrou que 75% da variância explicada nos preços das casas poderia ser atribuída à localização e à metragem quadrada.
2. A statistical measure indicating how well a model fits the observed data, ranging from 0 to 1 or 0% to 100%
With an R² value of 0.82, the variance explained by this predictive model is considered quite strong.
Com um valor de R² de 0,82, a variância explicada por este modelo preditivo é considerada bastante forte.
This is primarily a technical statistical term used in academic, research, and business analytics contexts in both Brazil and the USA. It has become increasingly important in data science discussions and is widely understood by professionals in economics, psychology, business, and engineering fields. The term is domain-specific and carries the same meaning across all Portuguese-speaking countries.
Synonyms / Sinônimos
R-squaredcoefficient of determinationproportion of variance explainedpredictive power
Antonyms / Antônimos
unexplained varianceresidual varianceerror variance

Regional Variations

General Brazilian
variância explicada
Standard term used in statistics and data science across Brazil
São Paulo
variância explicada
Commonly used in academic and business analytics contexts
Portugal
variância explicada
Same terminology used in Portuguese academic institutions
Technical Portuguese
R² ou coeficiente de determinação
Alternative technical expression more specific to the R-squared measure

Related Words

regression analysisR-squared (R²)statistical modeldependent variableindependent variablegoodness of fit

Related Idioms & Phrases

explain the variance
account for variance
variance explained by the model
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