plotVarUsage: Produce a visual summary of how many times each variable appears on the efficient frontier.
Description
Visualizes how models on the efficient frontier use different variables. May be useful for finding out which variables seem to be most useful for explanation.
# NOT RUN {data(sampleData)
mod<-mogavs(y~.,data=sampleData,maxGenerations=20)
plotVarUsage(mod,"table")
plotVarUsage(mod,"hist")
plotVarUsage(mod,"plot")
# }