A collection of functions for calculating Floristic Quality
    Assessment (FQA) metrics using regional FQA databases that have been
    approved or approved with reservations as ecological planning models
    by the U.S. Army Corps of Engineers (USACE). For information on FQA
    see Spyreas (2019) <doi:10.1002/ecs2.2825>. These databases are stored
    in a sister R package, 'fqadata'. Both packages were developed for the
    USACE by the U.S. Army Engineer Research and Development Center’s
    Environmental Laboratory.

Contains regional Floristic Quality Assessment databases that
    have been approved or approved with reservations by the U.S. Army
    Corps of Engineers (USACE). Paired with the 'fqacalc' R package, these
    data sets allow for Floristic Quality Assessment metrics to be
    calculated. For information on FQA see Spyreas (2019)
    <doi:10.1002/ecs2.2825>. Both packages were developed for the USACE by
    the U.S.  Army Engineer Research and Development Center's
    Environmental Laboratory.

Tools for downloading and analyzing floristic quality assessment data. 
  See Freyman et al. (2015) <doi:10.1111/2041-210X.12491> for more information 
  about floristic quality assessment and the associated database.

A "tabular-data-resource" (<https://specs.frictionlessdata.io/tabular-data-resource/>) is a simple format to describe a singular tabular data resource such as a CSV file. It includes support both for metadata such as author and title and a schema to describe the data, for example the types of the fields/columns in the data. Create a tabular-data-resource by providing a data.frame and specifying metadata. Write and read tabular-data-resources to and from disk.

Methods to "add" two tables; also an alternative
     interpretation of named vectors as generalized tables, so that
     c(a=1,b=2,c=3) + c(b=3,a=-1) will return c(b=5,c=3).  Uses
     'disordR' discipline (Hankin, 2022, <arxiv:2210.03856>).
     Extraction and replacement methods are provided.  The underlying
     mathematical structure is the Free Abelian group, hence the name.
     To cite in publications please use Hankin (2023)
     <arxiv:2307:13184>.