我如何用rCharts繪製密度？

Question

我剛剛發現了rCharts。是否可以做一個密度圖？例如用ggplot2我做：

library(ggplot2) 
m <- ggplot(movies, aes(x = rating)) 
m + geom_density(aes(fill=factor(Drama)), size=2) 

謝謝！

Answer 1

我能做到這一點

library(rCharts) 
drama = density(movies$rating[movies$Drama==1]) 
drama = data.frame(drama$x, drama$y) 
drama$Var = "Drama" 
names(drama) = c("x", "y", "Var") 

Nodrama = density(movies$rating[movies$Drama==0]) 
Nodrama = data.frame(Nodrama$x, Nodrama$y) 
Nodrama$Var = "No Drama" 
names(Nodrama) = c("x", "y", "Var") 
densen1n2 = rbind(drama, Nodrama) 
nPlot(x = "x", y = "y", group = "Var", data = densen1n2, type = "lineChart") 

不知道這是最好的方式。我也不知道如何給一個名稱的X軸