Birdcount: Birdcount: Bird Species at Different Locations in Norway

In thoree/stat340: Data and functions for BIAS at NMBU

Birdcount: Bird Species at Different Locations in Norway

Description

Norway has been split into 3163 regions, each of 10 km × 10 km. Within each of these regions 11 variables have been registered over a time period of about eight years.

Usage

Birdcount

Format

A tibble with 3163 observations (rows) and 11 variables (columns).

	Column name	Data type	Description	Values
[,1]	COUNTS	numeric	The number of bird species observed	(1 - 159)
[,2]	NUMBERVISITS	numeric	Number of visits by ornithologists (the observers)	(1 - 33)
[,3]	MINTEMP	numeric	Minimum registered temperature in the winter months	(-17.52 - 2.26)
[,4]	MAXTEMP	numeric	Maximum registered temperature in the winter months	(-16.83 - 2.60)
[,5]	MEANTEMP	numeric	Average registered temperature in the winter months	(-17.07 - 2.29)
[,6]	ALTITUDE	numeric	Average altitude (to the nearest 100 m)	(0 - 14)
[,7]	LATITUDE	numeric	The latitude of the center of the region	(4.66 - 31.06)
[,8]	LONGITUDE	numeric	The longitude of the center of the region	(57.97 - 71.17)
[,9]	DISTANCE	numeric	The minimum distance to the coastline	(0 - 212.70)
[,10]	SEA	character	Whether the region contains sea (coast) or not	(YES, NO)
[,11]	SQRT.POPULATION	numeric	The square root of the human population	(0 - 16.45369)

• The column [,5] MEANTEMP shows the average registered temperature in the winter months during the project period (about eight years).

• The column [,11] SQRT.POPULATION shows the square root of the human population (measured in 1000 persons) in the region.

See Also

Birds and Birds4

Examples

# First 10 observations
head(Birdcount, n = 10)

thoree/stat340 documentation built on June 30, 2024, 4:04 p.m.