read.r R code for reading a data set,
converting it to a data matrix with appropriate row and column names,
and computing a distance matrix
whichsite.r R code that defines
the function for identifying pairs of sites. Converts an observation
number in a distance object to a pair of sites.
mds.r R code for computing linear scaling
(PCoA) and nMDS from a distance matrix, or using metaMDS to compute
from a data matrix
env.r R code for doing various useful
things with environmental data.
hyptest.r R code for hypothesis testing
and other useful stuff
dunegrass.r Instructions for computing
exercise on 7 Dec.