我已覆盖产品'listview'并弹出You do not have sufficient permission for type: Product.
。有什么建议意味着什么?
答案 0 :(得分:0)
您需要添加校对以进行修改,如下所示:
library(quantmod)
library(qmao)
stock.list = c("AMZN","GOOGL","AAPL","FB","TSLA")
getSymbols(stock.list,src="google")
prices <- PF(stock.list,silent = TRUE)
priceChange <- diff(prices)
t(last(priceChange))
2017-04-18
AMZN 1.79
GOOGL -1.14
AAPL -0.63
FB -0.46
TSLA -1.19