Diagramme en boîtes à moustaches (exemple)

Voici une page donnant un exemple simple pour réaliser un diagramme de boîte à moustaches. Aide détaillée : aller ici.

Diagramme boîtes à moustaches avec le logiciel R project

Diagramme à boîtes à moustaches permettant de visualiser la répartition des notes d'étudiants en fonction du sexe.

Télécharger le script complet ici.

Préparer les valeurs à tracer sous formes de boîtes à moustaches : ici deux listes de notes, une pour les fille, une pour les garçons.

sexe = c("F","M","M","M","M","M","F","F","F","F","F","M","F","M","M","M","F","M","F","F","M","M","F","F","M", "F","F","M","M","M","M","F","F","F","M","F","F","M","M","F","M","F","F","M","F","M","F","F","F","F","M","F", "M","F","F","F","F","F","F","M","F","F","F","M","F","F","F","F","F","M","F","F","F","F","M","F","F","M","F", "F","M","M","F","F","F","M","F","M","F","F","F","F","M","M","M","M","M","M","M","F","F","F","F","M","F","M", "F","M","F","F","F","F","M","F","M","M","M","F","M","F","F","F","M","M","F","M","M","F","F","M","F","M","F", "F", "F","F","F","M","F","M","F","M","F","F","F","F","M","F","F","M","F","F","M","F","M","M","M","F","F","F", "F", "F","M","M","F","F","F","M","M","M","F","F","F","F","M","M","F","M","F","M","F","F","F","F","F","F","F", "F", "M","F","F","M","M","F","M","F","F","F","M","F","F","F","M","M","M","F","F","F","F","F","M")

notes = c(13,16,2,12.75,6,19.5,24,29,20,28,6,31.5,25,27,3,31.5,32,33,18,8,3.5,10,30,10.5,4.5,20, 12.5,18, 10.5, 5,6, 7.5,2.5,14.5,17.5,29.5,11,24,7,32,27,8.5,5,16,16,15,18,22.5,23,26,31,14,7,16.5,16, 19.5, 12.5,15,9,7.5,27.5,20.5,14,5.5,15.5,25,16.5,1,12,9.5,11,11.5,13,7,18,11.5,13,22.5,14,25.5,12,14,2,10,7.5,5.5, 20,11.5,25, 17.5, 7,22,15,6,15,7.5,5.5,12,29.5,33.5,19.5,9,24,10.5,1.5,22.5,6,15,7,14.5,5.5,6.5, 7,5.5,30, 16.51,5,23,5, 2,12.5,2.5,3.5,4,16.5,6.5,30,2.5,7.5,4.5,12,24,18,10,5.5,2,20,19.5,8,8,12,10.5,17,22,13.5,17.5, 8.5,9, 14.5, 0,10, 30,16,30,19,30,4, 14.5,17,8.5,8,11.5,16.5,10,18,13,7.5,7.5,5,30,6.5,13.5,9.5, 2.5, 10,9.5, 13, 15.5,8.5,6.5, 17,9.5,5.5,7,8.5, 21,13,1, 15,3.5,12.5,11,4.5,7,11,9.5,8,16.5,7,25,10,15.5,30,30,8, 5,7,5,25,11,4)

sexe = sexe[notes<21]

notes = notes[notes<21]

Tracer le diagramme à boîtes à moustaches

 boxplot(notes[sexe=="M"],notes[sexe=="F"],names=c("Etudiants","Etudiantes"),col=c("cyan","pink"), main="Comparaison des notes de biochimie 2012-2013 entre F et G",horizontal=F)

# notes[sexe=="M"] : notes des étudiants de sexe masculin

# notes[sexe=="F"] : notes des étudiants de sexe féminin

# names : titre de chaque boîtes

# col : couleurs

# main : titre