1 presentation de R Flashcards

1
Q

creation d’un objet

A

x est objet
x <- a

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2
Q

conservation d’un objet

A

save.image( )

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3
Q

type de fichier

A

.RDate crée automatique aprés conservation

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4
Q

charger un fichier .RData

A

load.image( )

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5
Q

que ce qu’un script

A

est un fichier contenant les expression de R et ayant une extension .r

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6
Q

Environnement de Travail

A

Dossier par défaut dans lequel R
Recherche des fichiers de script, des données
Sauvegarde l’environnement (espace) de travail dans le
fichier .RData

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7
Q

afficher le repertoire de travail en cour

A

getwd ( )

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8
Q

lister les objets contenus dans l’espace de travail

A

ls ( )

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9
Q

changer de repertoir de travail

A

setwd ( )

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10
Q

nettoyer les objets x, y

A

rm( x, y )

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11
Q

supprimé le contenu de R

A

rm (list = ls())

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