Finds the Archetypal Analysis of a Data Frame


[Up] [Top]

Documentation for package ‘archetypal’ version 1.3.1

Help Pages

archetypal-package Finds the Archetypal Analysis of a Data Frame
AbsoluteTemperature Global Absolute Temperature data set for Northern Hemisphere 1969-2013
align_archetypes_from_list Align archetypes from a list either by the most frequent found or by using a given archetype
archetypal archetypal: Finds the archetypal analysis of a data frame by using a variant of the PCHA algorithm
check_Bmatrix Function which checks B matrix of Archetypal Analysis Y ~ A B Y in order to find the used rows for creating each archetype and the relevant used weights.
dirichlet_sample Function which performs Dirichlet sampling
find_closer_points Function which finds the data points that are closer to the archetypes during all iterations of the algorithm PCHA
find_furthestsum_points Function which finds the furthest sum points in order to be used as initial solution in archetypal analysis
find_optimal_kappas Function for finding the optimal number of archetypes
find_outmost_convexhull_points Function which finds the outermost convex hull points in order to be used as initial solution in archetypal analysis
find_outmost_partitioned_convexhull_points Function which finds the outermost convex hull points after making np samples and finding convex hull for each of them.
find_outmost_points Function which finds the outermost points in order to be used as initial solution in archetypal analysis
find_outmost_projected_convexhull_points Function which finds the outermost projected convex hull points in order to be used as initial solution in archetypal analysis
find_pcha_optimal_parameters Finds the optimal updating parameters to be used for the PCHA algorithm
FurthestSum Application of FurthestSum algorithm in order to find an initial solution for Archetypal Analysis
gallupGPS6 Gallup Global Preferences Study processed data set of six variables
grouped_resample Function for performing simple or Dirichlet resampling
kappa_tools Compute kappa tools for data dimensionality analysis
plot.archetypal Plot an object of the class archetypal.
plot.kappa_tools Plot an object of the class kappa_tools
plot.study_AAconvergence Plot an object of the class study_AAconvergence
plot_archs A function for plotting arechetypes
print.archetypal Print an object of the class archetypal.
study_AAconvergence Function which studies the convergence of Archetypal Analysis when using the PCHA algorithm
summary.archetypal Summary for an object of the class archetypal.
wd2 2D data set for demonstration purposes
wd25 2D data set created by 5 points for demonstration purposes
wd3 3D data set for demonstration purposes