AA1

TITRE:AFFICHAGE DES FOOR

COMPILATION DES FOOR

FOOR<-1
foor<-2
FOO<-3

CETTE PARTIE AFFICGE RE DE FOOR

## [1] 1

Le mode d’un objet est obtenu avec la fonction mode:

V<-c(1,2,3,5)
mode(V)

## [1] "numeric"

Le mode d’un objet est obtenu avec la fonction length:

length(V)

## [1] 4

cette partie affiche les 6 PREMIERS LIGNES DE LA BASE DE données

head(cars, n = 6L)

##   speed dist
## 1     4    2
## 2     4   10
## 3     7    4
## 4     7   22
## 5     8   16
## 6     9   10

La longeur d’une chaine de charactère :

V1<-"modelisation"
V2<-c("m","o","d","e","l","i","s","a","t","i","o","n")
length(V1)

## [1] 1

length(V2)

## [1] 12

cette partie est concentré à la creation des cecteurs

x<-c(1,4,9)
y<-c(x,2,3)

Cette partie partie c’est pour la creation des matrix

x = matrix(c(2,3,5,7,11,13),ncol=2)
y = matrix(c(2,3,5,7,11,13),ncol=2, byrow=T)

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summary(cars)

##      speed           dist       
##  Min.   : 4.0   Min.   :  2.00  
##  1st Qu.:12.0   1st Qu.: 26.00  
##  Median :15.0   Median : 36.00  
##  Mean   :15.4   Mean   : 42.98  
##  3rd Qu.:19.0   3rd Qu.: 56.00  
##  Max.   :25.0   Max.   :120.00

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