November 2024
Intermediate to advanced
592 pages
15h 54m
French
Content preview from Livre de cuisine Excel
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Chapitre 7. Fonctions de tableau, de logique et de recherche
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Les recettes de ce chapitre couvrent trois domaines principaux dont ont besoin de nombreux types de feuilles de calcul :
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Manipulation des tableaux ou des plages dans le cadre d'une formule
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Effectuer des tests logiques
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Recherche des valeurs par nom et par index
Ce chapitre traite notamment du filtrage, du tri et de la combinaison de tableaux à l'aide de fonctions plutôt que de commandes de menu ; du piégeage et de la gestion des erreurs ; du choix des valeurs à renvoyer en fonction d'un test logique ou d'une valeur correspondante ; et de l'utilisation de XLOOKUP, INDEX, et MATCH pour rechercher des valeurs. Il couvre également les façons de travailler avec les fonctions INDIRECT et OFFSET pour créer des références dynamiques à des cellules et à des plages.
7.1 Obtenir des valeurs uniques
Problème
Tu as un tableau ou une plage et tu veux récupérer une liste de ses valeurs uniques ou de celles qui apparaissent exactement une fois.
Solution
Supposons que A2:A6 répertorie les prénoms des clients, B2:B6 leurs noms de famille, et que tu veuilles utiliser ces données pour renvoyer deux listes : l'une contenant les noms uniques et l'autre contenant les noms qui n'apparaissent qu'une seule fois.
Si tu utilises Excel 2021 ou Excel 365, tu peux résoudre ce problème en utilisant la fonction ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.