sparrows {primer} | R Documentation |
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.
data(sparrows)
A data frame with 36 observations on the following 3 variables.
Year
Count
ObserverNumber
http://www.pwrc.usgs.gov/BBS/
M.H.H. Stevens. 2009. A Primer of Ecology with R. Use R! Series. Springer.
data(sparrows) ## maybe str(sparrows) plot(Count ~ Year, sparrows)