如何解决如何获得R中给定股票报价的市场部门?
我目前正在尝试获取任何给定股票报价器的市场领域
For example,AAPL - Technology
XOM - Energy
我已经从此link中尝试了以下操作,并收到了这些错误。
#Attempt to intsall qamo
install.packages("qmao",repos="http://r-forge.r-project.org")
library(qmao)
install.packages('RJSONIO')
library(RJSONIO)
install.packages('pander')
library(pander)
spyh <- getHoldings("SPY",auto.assign=FALSE)
head(ss[ss$Symbol %in% rownames(spyh),])
error: Error in file(file,"rt") : cannot open the connection
In addition: Warning message:
In file(file,"rt") :
cannot open URL 'http://www.masterdata.com/helpfiles/ETF_List_Downloads/AllTypes.csv': HTTP status was '404 Not Found'
#Install & Use TTR
library(TTR)
ss <- stockSymbols()
error: Fetching AMEX symbols...
Error in file(file,"rt") : cannot open the connection
In addition: Warning message:
In file(file,"rt") : InternetOpenUrl failed: 'The operation timed out'
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