fortify_ca: Extract information from a Correspondence Analysis Extract...

In jiho/autoplot: Automatic plotting with ggplot2

Usage

## S3 method for class 'correspondence'
fortify(model, data = NULL, PC = c(1, 2), ...)

## S3 method for class 'CA'
fortify(model, data = NULL, PC = c(1, 2), ...)

Arguments

model	an object resulting from a CA
data	the original dataset, use to compute the contributions of rows and columns to the principal components. When NULL, the default, data will be extracted from the CA object when it contains it
PC	the principal components to extract; two is usual for plotting
...	pass-through argument

Value

A data.frame containing

.id	the identifier of the rows (row name) or columns (column name)
.PC#	the scores of rows or columns on the extracted principal components
.cos2	the squared cosine summed over all extracted PCs
.contrib	the contribution to the selected PCs
.type	the nature of the data extracted : rows, columns and possibly their status (active or supplementary)

Author(s)

Jean-Olivier Irisson [e-mail]

See Also

autoplot_ca to produce plots based on the output of fortify.

jiho/autoplot documentation built on May 19, 2019, 9:29 a.m.