Truffles {abd} | R Documentation |
Truffle Distribution
Description
Number of truffles per plot for 288 plots in an old growth forest in northeastern California.
Format
A data frame with 5 observations on the following 2 variables.
- truffles
a numeric vector
- count
a numeric vector
Source
Waters, J.R., K.S. McKelvey, D.L. Luoam, and C.J. Zabel. 1997. Truffle production in old-growth and mature fir stands in northeastern California. Forest Ecology and Management 96: 155-166.
References
http://www.fs.fed.us/psw/publications/watersj/waters2.PDF
Examples
Truffles
xyplot(count ~ truffles, Truffles, type='h', lwd=4)
barchart(count ~ truffles, Truffles, origin=0, horizontal=FALSE)
[Package abd version 0.2-8 Index]