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Matrice de corrélation non paramétrique

Il serait utile de pouvoir générer une matrice de corrélation en utilisant des méthodes non paramétriques via les outils d'analyse multivariée.  La matrice actuelle qui apparaît par défaut utilise la méthode du moment-produit de Pearson.  L'affichage des statistiques non paramétriques est complètement différent, dans une longue liste par paires de toutes les combinaisons.  (voir graphique ci-dessous) Ce serait bien d'avoir une matrice bien formatée pour différents types de corrélation.  Nous ne devrions pas utiliser la corrélation de Pearson pour tout, non? 

 

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Ce serait particulièrement bien si d'autres options, comme la matrice de probabilité de corrélation, étaient également disponibles pour les méthodes non paramétriques.  Peut-être que la méthode de corrélation par défaut pourrait être répertoriée sur l'interface multivariée principale (voir graphique ci-dessous).  

 

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Ryan_Gilmore
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