#' ComMA R documentation
#'
#' This package is a collection of tools for community matrix analyse,
#' especially for eDNA data, but it also can be used for traditional species survey data.
#' The package not only wraps bioinformatic, ecological methods and figure plotting
#' into one-line functions, but also create utility functions to procced data easily.
#' All functions are available by typing \code{help(package="ComMA")} in R.
#'
#' \strong{Community matrix} in \pkg{ComMA} is a community data from file as a matrix,
#' where rows are OTUs (therefore this matrix is called \emph{OTU table}) or individual species
#' and columns are sites or samples.
#' Matrix elements are abundance data or proportion (e.g. counts, percentage). For example,
#' \tabular{rrrr}{
#' OTU_id \tab plot01 \tab plot02\tab ...\cr
#' OTU_1 \tab 1 \tab 0 \tab ...\cr
#' OTU_2 \tab 100 \tab 200 \tab ...\cr
#' OTU_3 \tab 56 \tab 3 \tab ...
#' }
#'
#' Variable \strong{t.community.matrix} is a transposed matrix from community matrix
#' we defined here, where columns are OTUs or individual species and rows are sites or samples.
#' It is also the abundances argument in \pkg{vegetarian} \code{\link{d}}.
#'
#' The \strong{taxa.table} is a data frame to contain taxonomic classifications of OTUs.
#' Rows are OTUs or individual species, which have to be the subset of (or matching) rows
#' in the community matrix from \code{getCommunityMatrix}).
#' Columns are taxonomy at the rank, such as c("superkingdom", "kingdom", "phylum",
#' "class", "order", "family", "genus", "species"), or full taxonomic lineage but it is optional.
#' If it is from RDP, then column "confidence" is required.
#' For example,
#' \tabular{rrrr}{
#' OTU_id \tab kingdom \tab phylum\tab ...\cr
#' OTU_1 \tab Bacteria \tab Firmicutes \tab ...\cr
#' OTU_2 \tab Bacteria \tab Proteobacteria \tab ...\cr
#' OTU_3 \tab Not assigned \tab Not assigned \tab ...
#' }
#'
#' The enviornmental data \strong{env} is also called as the meta data of samples,
#' where rows are sites or samples, and columns are the measurement, such as
#' elevation, tempurature, soil chemistry, forest type, etc.
#' For example,
#' \tabular{rrrr}{
#' Plot \tab Elevation(m) \tab pH\tab ...\cr
#' plot01 \tab 50 \tab 5.89 \tab ...\cr
#' plot02 \tab 90 \tab 5.12 \tab ...\cr
#' plot03 \tab 160 \tab 5.46 \tab ...
#' }
#'
#' The \strong{phyloTree} is a rooted tree of \code{\link{phylo}} object,
#' which is created from \pkg{ape} \code{\link{read.tree}}.
#'
#' @source \url{https://github.com/walterxie/ComMA}
#'
#' Install all depdent packages: \code{\link{installAllPackages}}
#'
#'
#'
"_PACKAGE"
#> [1] "_PACKAGE"
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