dataTrans {HDoutliers} | R Documentation |
Data Transformation for Leland Wilkinson's hdoutliers Algorithm
Description
Transforms the data according to the specifications in Wilkinson's hdoutliers algorithm.
Usage
dataTrans(data)
Arguments
data |
A vector, matrix, or data frame consisting of numeric and/or categorical variables. |
Details
Replaces each categorical variables with a numeric variable corresponding
to its first component in multiple correspondence analysis, then maps the
data to the unit square. There is no porvision for handling missing data.
Functions HDoutliers
and getHDoutliers
apply this
transformation to their input data.
Value
The transformed data, according to Wilkinson's specifications for the hdoutliers algorithm.
References
Wilkinson, L. (2016). Visualizing Outliers.
See Also
Examples
require(FactoMineR)
data(tea)
head(tea)
dataTrans(tea[,-1])
[Package HDoutliers version 1.0.4 Index]