primer (version 1.1.1)

sparrows: Song Sparrow Data Set

Description

Song Sparrow (Melospiza melodia) counts in Darrtown, OH, USA. From Sauer, J. R., J.E. Hines, and J. Fallon. 2005. The North American Breeding Bird Survey, Results and Analysis 1966--2004. Version 2005.2. USGS Patuxent Wildlife Research Center, Laurel, MD.

Usage

data(sparrows)

Format

A data frame with 36 observations on the following 3 variables.

Year

a numeric vector

Count

a numeric vector

ObserverNumber

a numeric vector

References

Stevens, M.H.H. (2009) A Primer of Ecology with R. Use R! Series. Springer.

See Also

PopSim

Examples

# NOT RUN {
data(sparrows)
## maybe 
str(sparrows)
plot(Count ~ Year, sparrows) 
# }