PCAmixdata (version 2.1)

recodquant: 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)