禁用"multiBarChart“"rChart”中的"Stacked“选项

Question

如何在rCharts生成的multiBarChart中禁用Stacked选项。

data <- data.frame(Var = c(1, 2, 3, 4),
                   Fac1 = rep(c("A" ,"B"), 2),
                   Fac2 = rep(c("Blue", "Red"), each=2))

require(rCharts)    

n1 <- nPlot(Var ~ Fac2, group = "Fac1", data = data, type = "multiBarChart")
n1

Answer 1

n1$chart(showControls = FALSE)