ColContributionPlot function

Plots the contributios of a biplot

ColContributionPlot(bip, A1 = 1, A2 = 2, Colors = NULL, Labs = NULL, 
MinQuality = 0, CorrelationScale = FALSE, ContributionScale = TRUE, 
AddSigns2Labs = TRUE, ...)

Arguments

• bip: An object of class ContinuousBiplot
• A1: First dimension to plot
• A2: Second dimension to plot
• Colors: Colors for the variables
• Labs: Labels for the variables
• MinQuality: Min quality to plot
• CorrelationScale: Scales for correlation
• ContributionScale: Scales for contributions
• AddSigns2Labs: Add the siggns of the correlations to the labels
• ...: Any other graphical parameter

Details

Plots the contributions on a plot that sows also the sum for both axes-

Returns

The contribution plot

Author(s)

Jose Luis Vicente Villardon

Examples

## Simple Biplot with arrows
data(Protein)
bip=PCA.Biplot(Protein[,3:11])

# Plot of the Variable Contributions
ColContributionPlot(bip, cex=1)