A 'tidyverse' Extension for Ordinations and Biplots
c(
person("Jason Cory", "Brunson", email = "cornelioid@gmail.com",
role = c("aut", "cre"), comment = c(ORCID = "0000-0003-3126-9494")),
person("Emily", "Paul", email = "erpb.71@gmail.com",
role = "ctb")
)
Ordination comprises several multivariate exploratory and
explanatory techniques with theoretical foundations in geometric data
analysis; see Podani (2000, ISBN:90-5782-067-6) for techniques and
applications and Le Roux & Rouanet (2005) <doi:10.1007/1-4020-2236-0> for
foundations.
Greenacre (2010, ISBN:978-84-923846) shows how the most established of
these, including principal components analysis, correspondence analysis,
multidimensional scaling, factor analysis, and discriminant analysis,
rely on eigen-decompositions or singular value decompositions of
pre-processed numeric matrix data.
These decompositions give rise to a set of shared coordinates along which
the row and column elements can be measured. The overlay of their
scatterplots on these axes, introduced by Gabriel (1971)
<doi:10.1093/biomet/58.3.453>, is called a biplot.
'ordr' provides inspection, extraction, manipulation, and visualization
tools for several popular ordination classes supported by a set of recovery
methods. It is inspired by and designed to integrate into 'tidyverse'
workflows provided by Wickham et al (2019) <doi:10.21105/joss.01686>.
rlang, stringr, tidyselect, scales, generics, magrittr,
tibble, broom, tidyr, dplyr, purrr, labeling, ggrepel,
testthat, sessioninfo, gridExtra, MASS, mlpack, vegan,
heplots, knitr, rmarkdown
'aaa-.r' 'biplot-key.r' 'biplot.r' 'data.r' 'dplyr-verbs.r'
'utils.r' 'ord-recoverers.r' 'ord-augmentation.r'
'ord-conference.r' 'ord-tbl.r' 'fun-lda.r' 'fun-lra.r'
'fun-wrap.r' 'geom-axis.r' 'geom-intervals.r' 'geom-isoline.r'
'geom-origin.r' 'geom-text-radiate.r' 'geom-unit-circle.r'
'geom-utils.r' 'geom-vector.r' 'list-cancor-tidiers.r'
'list-cmdscale-tidiers.r' 'ord-tidiers.r' 'list-tidiers.r'
'methods-base-eigen.r' 'methods-base-svd.r'
'methods-mass-correspondence.r' 'methods-mass-lda.r'
'methods-mass-mca.r' 'methods-ordr-lra.r'
'methods-stats-cancor.r' 'methods-stats-cmds.r'
'methods-stats-factanal.r' 'methods-stats-kmeans.r'
'methods-stats-lm.r' 'methods-stats-prcomp.r'
'methods-stats-princomp.r' 'ord-annotation.r' 'ord-format.r'
'ord-negation.r' 'ord-plot.r' 'ord-supplementation.r'
'ordinate.r' 'ordr.r' 'stat-center.r' 'stat-chull.r'
'stat-cone.r' 'stat-matrix.r' 'stat-scale.r' 'stat-spantree.r'
'themes.r' 'zzz-biplot-geoms.r' 'zzz-biplot-stats.r' 'zzz.r'
Jason Cory Brunson [aut, cre] (<https://orcid.org/0000-0003-3126-9494>),
Emily Paul [ctb]