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{"sheet":"Puissance(Modèle de Cox)","index":0,"n_rows":73,"n_cols":7,"rows_kept":73,"cut":false,"hidden":false,"merged":[[25,1,25,8],[26,1,26,8],[27,1,28,8],[29,1,30,8]]}
[null,"XLSTAT 2021.5.1.12345 - Puissance - Modèle à risques proportionnels de Cox - Début : 05/01/2022 à 17:12:42 / Fin : 05/01/2022 à 17:12:45 / Microsoft Excel 16.014701"]
[null,"Objectif : Trouver la taille de l'échantillon"]
[]
[]
[]
[]
[null,"Entrées :"]
[]
[null,"Paramètres","Entrées"]
[null,"Taux d'événement (P)",0.4]
[null,"B",0.9]
[null,"Ecart-type de X1",2]
[null,"R² de X1 avec les autres X",0.2]
[]
[]
[null,"Résultats :"]
[]
[null,"Paramètres","Résultats"]
[null,"Puissance",0.9]
[null,"Taille d'échantillon",10]
[null,"Puissance (obtenu)",0.9]
[]
[]
[null,"Interprétation :"]
[]
[null,"H0 : Le coefficient associé à la variable X1 est égal à 0."]
[null,"Ha : Le coefficient associé à la variable X1 est différent de 0."]
[null,"Le risque de ne pas rejeter l'hypothèse nulle H0 alors qu'elle est fausse est de 0.1."]
[]
[null,"Pour les paramètres saisis, pour un alpha de 0.05, la taille de l'échantillon nécessaire afin d'obtenir une puissance de 0.9 est de 10 observations."]
[]
[]
[]
[null,"Résultats (Graphique des simulations) :"]
[]
[null,"Puissance","Taille d'échantillon"]
[null,0.8,8]
[null,0.81,8]
[null,0.82000000000000006,8]
[null,0.83000000000000007,8]
[null,0.84000000000000008,8]
[null,0.85000000000000009,9]
[null,0.8600000000000001,9]
[null,0.87000000000000011,9]
[null,0.88000000000000012,10]
[null,0.89000000000000012,10]
[null,0.90000000000000013,10]
[null,0.91000000000000014,11]
[null,0.92000000000000015,11]
[null,0.93000000000000016,11]
[null,0.94000000000000017,12]
[null,0.95000000000000018,13]
[null,0.96000000000000019,13]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
[]
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[]
[null,null,null,null,null,null," "]