ukdata | R Documentation |
A sample CES dataset from the UK of two species (Erithacus rubecula and Turdus philomelos) from 19 sites created by readces
data(ukdata)
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
data(ukdata)
summary(ukdata)
plot(ukdata)
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