sparrowdata {lmf}

House Sparrow data set

Description

A data set on a wild population of house sparrow Passer domesticus.

Usage

data(sparrowdata)

Format

A data frame with 116 observations on the following 7 variables.

id

unique individual identifier

year

the year of breeding

age

the age of the individual

survival

equals 1 if the individual survives, otherwise 0

recruits

the number of recruits produced, i.e. offspring that survives to the next breeding season

weight

the body mass of the individuals at fledgling, i.e. when the bird was ready to leave the nest

tars

the tarsus length of the individuals at fledgling, i.e. when the bird was ready to leave the nest

Details

Further details on the data set is provided by Engen et al. 2012.

References

Engen, S., Saether, B.-E., Kvalnes, T. and Jensen, H. 2012. Estimating fluctuating selection in age-structured populations. Journal of Evolutionary Biology, 25, 1487-1499.

Examples

#Data set from Engen et al. 2012
data(sparrowdata)
#View data
str(sparrowdata)
head(sparrowdata, 10)