ade4 (version 1.5-2)

ours: A table of Qualitative Variables

Description

The ours (bears) data frame has 38 rows, areas of the "Inventaire National Forestier", and 10 columns.

Usage

data(ours)

encoding

latin1

format

This data frame contains the following columns:

1. altit: importance of the altitudinal area inhabited by bears, a factor with levels:
   • 1less than 50\% of the area between 800 and 2000 meters
   • 2between 50 and 70\%
   • 3more than 70\%
2. deniv: importance of the average variation in level by square of 50 km2, a factor with levels:
   • 1less than 700m
   • 2between 700 and 900 m
   • 3more than 900 m
3. cloiso: partitioning of the massif, a factor with levels:
   • 1a great valley or a ridge isolates at least a quarter of the massif
   • 2less than a quarter of the massif is isolated
   • 3the massif has no split
4. domain: importance of the national forests on contact with the massif, a factor with levels:
   • 1less than 400 km2
   • 2between 400 and 1000 km2
   • 3more than 1000 km2
5. boise: rate of afforestation, a factor with levels:
   • 1less than 30\%
   • 2between 30 and 50\%
   • 3more than 50\%
6. hetra: importance of plantations and mixed forests, a factor with levels:
   • 1less than 5\%
   • 2between 5 and 10\%
   • 3more than 10\% of the massif
7. favor: importance of favorable forests, plantations, mixed forests, fir plantations, a factor with levels:
   • 1less than 5\%
   • 2between 5 and 10\%
   • 3more than 10\% of the massif
8. inexp: importance of unworked forests, a factor with levels:
   • 1less than 4\%
   • 2between 4 and 8\%
   • 3more than 8\% of the total area
9. citat: presence of the bear before its disappearance, a factor with levels:
   • 1no quotation since 1840
   • 21 to 3 quotations before 1900 and none after
   • 34 quotations before 1900 and none after
   • 4at least 4 quotations before 1900 and at least 1 quotation between 1900 and 1940
10. depart: district, a factor with levels:
    • AHPAlpes-de-Haute-Provence
    • AMAlpes-Maritimes
    • DDr�me
    • HPHautes-Alpes
    • HSHaute-Savoie
    • IIs�re
    • SSavoie

source

Erome, G. (1989) L'ours brun dans les Alpes fran�aises. Historique de sa disparition. Centre Ornithologique Rh�ne-Alpes, Villeurbanne. 120 p.

Examples

data(ours)
boxplot(dudi.acm(ours, scan = FALSE))