November 2024
Intermediate to advanced
372 pages
9h 2m
French
Content preview from Maîtriser la brillance
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Chapitre 4. Étude de cas : Blessures aux urgences
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Introduction
Je t'ai présenté un tas de nouveaux concepts dans les trois derniers chapitres. Pour t'aider à les assimiler, nous allons maintenant te présenter une application Shiny plus riche qui explore un ensemble de données amusant et rassemble plusieurs des idées que tu as vues jusqu'à présent. Nous commencerons par faire une petite analyse de données en dehors de Shiny, puis nous la transformerons en une application, en commençant simplement, puis en ajoutant progressivement plus de détails.
Dans ce chapitre, nous compléterons Shiny avec vroom (pour la lecture rapide de fichiers) et tidyverse (pour l'analyse générale des données) :
library(shiny)library(vroom)library(tidyverse)
Les données
Nous allons explorer les données du Système national de surveillance électronique des blessures (NEISS), recueillies par la Commission de la sécurité des produits de consommation. Il s'agit d'une étude à long terme qui enregistre tous les accidents vus dans un échantillon représentatif d'hôpitaux aux États-Unis. C'est un ensemble de données intéressant à explorer car tout le monde connaît déjà le domaine, et chaque observation est accompagnée d'un court récit qui explique comment l'accident s'est produit. Tu peux en savoir plus sur ce jeu de données sur GitHub.
Dans ce chapitre, je vais me concentrer uniquement ...
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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.