# Geometric Data Analysis

## Documentation for package ‘GDAtools’ version 2.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

ahc.plots | Plots for Ascending Hierarchical Clustering
angles.csa | Cosine similarities and angles between CSA and MCA
assoc.catcont | Deprecated functions
assoc.twocat | Deprecated functions
assoc.twocont | Deprecated functions
assoc.yx | Deprecated functions
barplot_contrib | Bar plot of contributions
bcMCA | Between-class MCA
bcPCA | Between-class Principal Component Analysis
bootvalid_supvars | Bootstrap validation (supplementary variables)
bootvalid_variables | Bootstrap validation (active variables)
burt | Burt table
catdesc | Deprecated functions
coiMCA | Coinertia analysis between two groups of categorical variables
coiPCA | Coinertia analysis between two groups of numerical variables
conc.ellipse | Concentration ellipses
condesc | Deprecated functions
contrib | Contributions of active variables
csMCA | Class Specific Analysis
DA | Discriminant Analysis
DAQ | Discriminant Analysis of Qualitative Variables
darma | Deprecated functions
dichotom | Dichotomizes the variables in a data frame
dichotomixed | Dichotomizes the factor variables in a mixed format data frame
dimcontrib | Description of the contributions to axes
dimdescr | Description of the dimensions
dimeta2 | Correlation ratios (aka eta-squared) of supplementary variables
dimtypicality | Typicality tests for supplementary variables
dist.chi2 | Chi-squared distance
flip.mca | Flips the coordinates
getindexcat | Names of the categories in a data frame
ggadd_attractions | Plot of attractions between categories
ggadd_chulls | Convex hulls for a categorical supplementary variable
ggadd_corr | Heatmap of under/over-representation of a supplementary variable
ggadd_density | Density plot of a supplementary variable
ggadd_ellipses | Confidence ellipses
ggadd_interaction | Plot of interactions between two categorical supplementary variables
ggadd_kellipses | Concentration ellipses and k-inertia ellipses
ggadd_supind | Plot of supplementary individuals
ggadd_supvar | Plot of a categorical supplementary variable
ggadd_supvars | Plot of categorical supplementary variables
ggassoc_boxplot | Deprecated functions
ggassoc_crosstab | Deprecated functions
ggassoc_phiplot | Deprecated functions
ggassoc_scatter | Deprecated functions
ggaxis_variables | Plot of variables on a single axis
ggbootvalid_supvars | Ellipses of bootstrap validation (supplementary variables)
ggbootvalid_variables | Ellipses of bootstrap validation (active variables)
ggcloud_indiv | Plot of the cloud of individuals
ggcloud_variables | Plot of the cloud of variables
ggeta2_variables | eta-squared plot
ggsmoothed_supvar | Plots the density a supplementary variable
gPCA | Generalized Principal Component Analysis
homog.test | Homogeneity test for a categorical supplementary variable
ijunk | App for junk categories of specific MCA
indsup | Statistics for supplementary individuals
MCAiv | Multiple Correspondence Analysis with Instrumental Variables
MCAoiv | Multiple Correspondence Analysis with Orthogonal Instrumental Variables
medoids | Medoids of clusters
modif.rate | Benzecri's modified rates of variance
multiMCA | Multiple Factor Analysis
Music | Music (data)
nsCA | Nonsymmetric Correspondence Analysis
nsca.biplot | Biplot for Nonsymmetric Correspondence Analysis
PCAiv | Principal Component Analysis with Instrumental Variables
PCAoiv | Principal Component Analysis with Orthogonal Instrumental Variables
pem | Deprecated functions
phi.table | Deprecated functions
planecontrib | Contributions to a plane
plot.csMCA | Plot of class specific MCA
plot.multiMCA | Plot of Multiple Factor Analysis
plot.speMCA | Plot of specific MCA
plot.stMCA | Plot of standardized MCA
quadrant | Quadrant of active individuals
quasindep | Quasi-correspondence analysis
rvcoef | RV coefficient
speMCA | specific MCA
stMCA | Standardized MCA
supind | Statistics for supplementary individuals
supvar | Statistics for a categorical supplementary variable
supvars | Statistics for categorical supplementary variables
tabcontrib | Table with the main contributions of categories to an axis
Taste | Taste (data)
textindsup | Plot of supplementary individuals
textvarsup | Plot of a categorical supplementary variable
translate.logit | Deprecated function
varsup | Statistics for a categorical supplementary variable
varsups | Statistics for categorical supplementary variables
wcMCA | Within-class MCA
wcPCA | Within-class Principal Component Analysis
wtable | Deprecated functions