"0","#uncomment the following line if you haven't installed these packages yet"
"0","#install.packages(c('vegan', 'cluster', 'rioja', 'gplots', 'adjclust)) "
"0","library('vegan')"
"0","library('cluster')"
"0","library('rioja')"
"0","library('gplots')"
"0","library('adjclust')"
"0","# also uses stats package, included with base R."
