« Hachage des caractéristiques » : différence entre les versions
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''' | ''' feature hashing''' | ||
It is a method to transform features to vector. Without looking up the indices in an associative array, it applies a hash function to the features and uses their hash values as indices directly. Simple example of feature hashing: | It is a method to transform features to vector. Without looking up the indices in an associative array, it applies a hash function to the features and uses their hash values as indices directly. Simple example of feature hashing: | ||
Version du 4 mai 2021 à 14:47
Définition
Méthode pour transformer les caractéristiques en vecteur.
Français
hachage des caractéristiques
Anglais
feature hashing
It is a method to transform features to vector. Without looking up the indices in an associative array, it applies a hash function to the features and uses their hash values as indices directly. Simple example of feature hashing:
Contributeurs: Claire Gorjux, Jean Benoît Morel, wiki
