TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
OVER-FITTING [1 record]
Record 1 - internal organization data 2018-02-20
Record 1, English
Record 1, Subject field(s)
- Artificial Intelligence
- Information Processing (Informatics)
Record 1, Main entry term, English
- overfitting
1, record 1, English, overfitting
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- overlearning 2, record 1, English, overlearning
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... overfitting is the situation where an algorithm is trained too well for accuracy with a specific training data set. If tailored too specifically to a training data set, the algorithm fails to generalize well and its predictive power is reduced for any new data. 3, record 1, English, - overfitting
Record 1, Key term(s)
- over-fitting
- over-learning
Record 1, French
Record 1, Domaine(s)
- Intelligence artificielle
- Traitement de l'information (Informatique)
Record 1, Main entry term, French
- surapprentissage
1, record 1, French, surapprentissage
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- sur-apprentissage 2, record 1, French, sur%2Dapprentissage
correct, masculine noun
- surajustement 3, record 1, French, surajustement
correct, masculine noun
- sur-ajustement 4, record 1, French, sur%2Dajustement
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Biais qui se caractérise par une perte de pouvoir de prédiction sur de nouveaux éléments qui n'ont pas été utilisés pour l'apprentissage. 5, record 1, French, - surapprentissage
Record number: 1, Textual support number: 1 CONT
Une fois l'apprentissage réalisé, le réseau sera confronté à des motifs d'entrée n'appartenant pas à la base d'apprentissage, on dit qu'il fonctionne alors en généralisation. Il peut alors se produire le phénomène de surapprentissage : le réseau qui a obtenu de très bonnes performances sur la base d'apprentissage a de très mauvaises performances en généralisation sur la base de test alors que base de test et base d'apprentissage ont été sélectionnées aléatoirement parmi les exemples disponibles. 6, record 1, French, - surapprentissage
Record 1, Spanish
Record 1, Textual support, Spanish
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