plotcon: Plot circle connection of metabolites from list
In yufree/xsetplus: process and annotate data with xcms in a simple way

Plot circle connection of metabolites from list

1	plotcon(list, class = NULL, cutoff = 0.6)

`list`	list with data as peaks list, mz, rt and group information
`class`	metabolites or compounds class, default NULL
`cutoff`	cutoff of the absolute value of correlation coefficient

## Not run: 
library(faahKO)
cdfpath <- system.file('cdf', package = 'faahKO')
list <- getmr(cdfpath, pmethod = ' ')
data <- list$data
lv <- as.character(list$group$class)
plotcon(list, lv)

## End(Not run)