search for: efficientfrontierfunct

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2016 Apr 22
0
non-numeric argument to binary operator problem in stock analysis
I use these codes to get the returns of my simulated portfolio but, I can not get returns as the non-numeric argument to binary operator problem in stoc thank you guys first. library(quantmod)library(quadprog)library(stockPortfolio)library(fPortfolio)library(tseries)source("efficientFrontierFunction.r") myenv <- new.env()##Calculate the mean and sd of the monthly returns of each stocksPotf <- c('IBM', 'KO', 'C', 'TSLA', 'F')getSymbols(Potf, from="2011-01-01", env=myenv)ts<-do.call(merge,eapply(myenv, Ad)) #we allocate equal wei...