chart.GroupWeights(object, ..., grouping = c("groups", "category"), plot.type = "line", main = "Group Weights", las = 3, xlab = NULL, cex.lab = 0.8, element.color = "darkgray", cex.axis = 0.8)
optimize.portfolio
.plot
.portfolio
object.
title
.
title
.cex
.cex
.