Caractéristiques de 1000 champignons.
champignonsA data frame with 1000 observations on the following 8 variables.
a factor with levels comestible veneneux. Classes.
a factor with levels blanc gris jaune marron rouge. Couleur du chapeau.
a factor with levels abime non. Contusions.
a factor with levels amande anis apre inodore. Odeur du champignon.
a factor with levels ferme serre. Espacement des lamelles.
a factor with levels blanc gris rose. Couleur du dessus de la tige.
a factor with levels foret pelouse prairies sentier urbain. Habitat.
data(champignons)
str(champignons)
#> 'data.frame': 1000 obs. of 8 variables:
#> $ num_champ : int 1 2 3 4 5 6 7 8 9 10 ...
#> $ classes : Factor w/ 2 levels "comestible","veneneux": 2 1 1 2 1 1 1 1 2 1 ...
#> $ couleur_chapeau : Factor w/ 5 levels "blanc","gris",..: 4 3 1 1 2 3 1 1 1 3 ...
#> $ contusions : Factor w/ 2 levels "abime","non": 1 1 1 1 2 1 1 1 1 1 ...
#> $ odeur : Factor w/ 4 levels "amande","anis",..: 3 1 2 3 4 1 1 2 3 1 ...
#> $ espacement_lamelle : Factor w/ 2 levels "ferme","serre": 1 1 1 1 2 1 1 1 1 1 ...
#> $ couleur_tige_dessus: Factor w/ 3 levels "blanc","gris",..: 1 1 1 1 1 1 1 1 1 1 ...
#> $ habitat : Factor w/ 5 levels "foret","pelouse",..: 5 2 3 5 2 2 3 3 2 3 ...
summary(champignons)
#> num_champ classes couleur_chapeau contusions odeur
#> Min. : 1.0 comestible:898 blanc :338 abime:793 amande :335
#> 1st Qu.: 250.8 veneneux :102 gris : 94 non :207 anis :336
#> Median : 500.5 jaune :333 apre :102
#> Mean : 500.5 marron:234 inodore:227
#> 3rd Qu.: 750.2 rouge : 1
#> Max. :1000.0
#> espacement_lamelle couleur_tige_dessus habitat
#> ferme:798 blanc:983 foret :100
#> serre:202 gris : 8 pelouse :462
#> rose : 9 prairies:221
#> sentier : 78
#> urbain :139
#>