效率前緣

install.packages("frontier")

rural=efficient.csv("efficient.csv", header=T) #讀取資料

#讀取套件

library("frontier") #load package "frontier" for the Stochastic Frontier

Sys.setlocale('LC_ALL', 'C')

library(fPortfolio)

library(tseries)

library(quantmod)

#繪出效率前緣

par(cex=0.7)

tailoredFrontierPlot(frontier)