ours {ade4} | R Documentation |

## 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)

### Format

This data frame contains the following columns:

- altitimportance of the altitudinal area inhabited by bears, a factor with levels:
`1`

less than 50% of the area between 800 and 2000 meters
`2`

between 50 and 70%
`3`

more than 70%

- denivimportance of the average variation in level by square of 50 km2, a factor with levels:
`1`

less than 700m
`2`

between 700 and 900 m
`3`

more than 900 m

- cloisopartitioning of the massif, a factor with levels:
`1`

a great valley or a ridge isolates at least a quarter of the massif
`2`

less than a quarter of the massif is isolated
`3`

the massif has no split

- domainimportance of the national forests on contact with the massif, a factor with levels:
`1`

less than 400 km2
`2`

between 400 and 1000 km2
`3`

more than 1000 km2

- boiserate of afforestation, a factor with levels:
`1`

less than 30%
`2`

between 30 and 50%
`3`

more than 50%

- hetraimportance of plantations and mixed forests, a factor with levels:
`1`

less than 5%
`2`

between 5 and 10%
`3`

more than 10% of the massif

- favorimportance of favorable forests, plantations, mixed forests, fir plantations, a factor with levels:
`1`

less than 5%
`2`

between 5 and 10%
`3`

more than 10% of the massif

- inexpimportance of unworked forests, a factor with levels:
`1`

less than 4%
`2`

between 4 and 8%
`3`

more than 8% of the total area

- citatpresence of the bear before its disappearance, a factor with levels:
`1`

no quotation since 1840
`2`

1 to 3 quotations before 1900 and none after
`3`

4 quotations before 1900 and none after
`4`

at least 4 quotations before 1900 and at least 1 quotation between 1900 and 1940

- departdistrict, a factor with levels:
`AHP`

Alpes-de-Haute-Provence
`AM`

Alpes-Maritimes
`D`

Drôme
`HP`

Hautes-Alpes
`HS`

Haute-Savoie
`I`

Is"re
`S`

Savoie

### Source

Erome, G. (1989) *L'ours brun dans les Alpes françaises. Historique de sa disparition*.
Centre Ornithologique Rhône-Alpes, Villeurbanne. 120 p.

### Examples

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

### Worked out examples

> library(ade4)
> ### Name: ours
> ### Title: A table of Qualitative Variables
> ### Aliases: ours
> ### Keywords: datasets
>
> ### ** Examples
>
> data(ours)
> boxplot(dudi.acm(ours, scan = FALSE))
>
>
>
>