feature reduction

[ˈfiːtʃər rɪˈdʌkʃən]
nounpl: feature reductions
redução de dimensionalidade
1. A machine learning and data analysis technique that reduces the number of input variables (features) in a dataset while preserving relevant information
Feature reduction improved the model's performance by eliminating redundant variables.
A redução de dimensionalidade melhorou o desempenho do modelo eliminando variáveis redundantes.
2. The process of selecting or transforming features to decrease computational complexity and improve model interpretability
Principal Component Analysis is a common method for feature reduction.
Análise de Componentes Principais é um método comum para redução de dimensionalidade.
This is primarily a technical term used in machine learning and data science communities in both Brazil and the USA. It reflects the growing importance of AI and data science education and industry. In Brazil, 'redução de dimensionalidade' is the preferred academic translation, while in Portugal, 'redução de características' is more common. The concept is essential in modern data analysis and is taught in universities and professional courses globally.
Synonyms / Sinônimos
dimensionality reductionfeature selectionvariable selectionfeature engineering
Antonyms / Antônimos
feature expansionfeature augmentation

Regional Variations

General Brazilian
redução de dimensionalidade
Most common term in Brazilian technical and academic contexts
São Paulo
redução de atributos
Alternative terminology used in some software engineering circles
Portugal
redução de características
European Portuguese variant using 'características' instead of 'dimensionalidade'
General USA
feature reduction
Standard English technical term in data science and AI communities

Related Words

principal component analysisfeature engineeringmachine learningdata preprocessingoverfittingcurse of dimensionality

Related Idioms & Phrases

curse of dimensionality
cleaning up the noise
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