ukdata: A sample CES dataset

ukdataR Documentation

A sample CES dataset

Description

A sample CES dataset from the UK of two species (Erithacus rubecula and Turdus philomelos) from 19 sites created by readces

Usage

data(ukdata)

Format

A data frame with 4,879 observations on the following 15 variables.

countryID

a factor with levels GBT - the scheme identifier using Euring three-letter codes

habitat

a factor with levels DS RB WD WS - for Dry/Thorn Scrub, Reedbed, Woodland and Wet Scrub respectively

visit

numeric - 1:12 for UK

day

numeric

month

numeric - 1:12

year

numeric - four digits

netlength

numeric - length of net erected (in metres)

scheme

a factor with levels GBT - of ring, allows for foreign controls

ring

a factor with levels 012083 012098 012100 ...

species

numeric - Euring numeric, aggregates races so will end in zero

sex

a factor with levels F M U

age

numeric - either 3 (juvenile) or 4 (adult)

sitename

a site identifier, numeric in this case, may be character for other schemes, identical to siteID

site

numeric - a site identifier, with sites numbered 1:n

race

numeric - Euring code as in orginal datafile, may specify races

julian

numeric - ordinal day (in year) of capture

lat

numeric - latitude in decimal degrees

long

numeric - longitude in decimal degrees, East of the Greenwich meridian is positive

Examples

data(ukdata)
summary(ukdata)
plot(ukdata)

btorobrob/cesr documentation built on June 9, 2025, 5:39 a.m.