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Hi Michael: I have simplified the code only to download the sp500 index. How to correct this simple codes. -- View this message in context: http://r.789695.n4.nabble.com/How-download-Yahoo-Quote-tp3769563p3774672.html Sent from the R...
Hello all: Friend told me that we can download the stock historical quote from Yahoo site by R! Could you tell me that is true or not, how to do that? Thanks! -- View this message in context: http://r.789695...
Hello all: As everyone knows the stock quotes in Yahoo can be downloaded directly on EXCEL spreadsheet. we can also use the simple sentence of package tseries of R to download Yahoo quote: x <- get.hist.quote(instrument = "ibm", start...
Hi Michael: I installed: install. packages("quantmod") and now it accept library(quantmod) sentence. BUT after input: * con <- url("http://quote.yahoo.com") if(!inherits(try(open(con), silent = TRUE), "try-error")) { close(con) x <- get.hist.quote(instrument = "ibm...
Hi Michael: I tried to simplify the code, but still failed. * con <- url("http://quote.yahoo.com") if(!inherits(try(open(con), silent = TRUE), "try-error")) { close(con) x <- get.hist.quote(instrument = "ibm", quote = c("Cl", "Vol")) plot(x...
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