Boruta (version 1.2)

plotZHistory: Plotting history of ZScores

Description

plotZHistory visualises ZScoreHistory in some more straightforward way than plot.Boruta. It plots each attributes' (including randomised meta-attributes, randMax, randMean, randMin) ZScore as a function of Random Forest run it was obtained in. The colour of each line corresponds to a Boruta decision; see colCode argument note.

Usage

plotZHistory(x,colCode=c('green','yellow','red','blue'),showRounds=TRUE,
		col=NULL,type="l",lty=1,pch=0,
		xlab='Random Forest run',ylab='Z-Scores',...)

Arguments

x

an object of class Boruta.

colCode

a vector containing colour codes for attribute decisions, respectively Confirmed, Tentative, Rejected, Random.

showRounds

if set, to TRUE, gray lines separating round will be drawn.

col

standard col attribute. If given, suppresses colCode.

type,lty,pch,xlab,ylab,...

additional graphical parameters that will be passed to matplot.

Value

• None.

Examples

library(mlbench); data(Sonar);
#Takes some time, so be patient
Boruta(Class~.,data=Sonar,doTrace=2)->Bor.son;
print(Bor.son);
plotZHistory(Bor.son);