recodquant: Recoding of the quantitative data matrix

In chavent/PCAmixdata: Multivariate Analysis of Mixed Data

Recoding of the quantitative data matrix

Description

Recoding of the quantitative data matrix.

Usage

  recodquant(X)

Arguments

X	the quantitative data matrix.

Value

Z	the standardized quantitative data matrix (centered and reduced with the standard deviations.)
g	the means of the columns of X
s	the standard deviations of the columns of X (population version with 1/n)
Xcod	The quantitative matrix X with missing values replaced with the column mean values.

Examples

data(decathlon)
X <- decathlon[1:5,1:5]
X[1,2] <- NA
X[2,3] <-NA
rec <- recodquant(X)

chavent/PCAmixdata documentation built on Dec. 15, 2022, 5:56 p.m.