ggmca_initial_dims {ggfacto}

Plot Initial Dimensions (Active Variables) of Multiple Correspondence Analysis

Description

This function mostly have an educational value : it shows the initial dimensions of the Multiple Correspondence Analysis (active variables) in their initial reference frame. It shows the n dimensional space before the analysis is done. To see initial dimensions axes in the space built by the analysis (principal axes), use ggmca_with_base_ref.

Usage

ggmca_initial_dims(
  res.mca = res.mca,
  data,
  proj_just = c(1.5, 2),
  cleannames = TRUE,
  keep = NULL
)

Arguments

res.mca

An object created with FactoMineR::MCA.

data

The data in which to find the supplementary variables, etc.

proj_just

Horizontal justification of text of the coordinates on axes, as a character vector of length 2 (x and y).

cleannames

Set to TRUE to clean levels names, by removing prefix numbers like "1-", and text in parentheses.

keep

A character vector of the name of active variables to keep.

Value

A ggplot object to be printed in the 'RStudio' Plots pane. Possibility to add other gg objects with +. Sending the result through ggi will draw the interactive graph in the Viewer pane using ggiraph.

Examples

data(tea, package = "FactoMineR")
res.mca <- MCA2(tea, active_vars = 1:18)
ggmca_initial_dims(res.mca, data = tea)