Created
May 28, 2011 20:10
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Import two xts objects from Yahoo
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| # install.packages("quantmod") | |
| require("quantmod") | |
| getSymbols("^GSPC;^VIX") | |
| plot(VIX) | |
| par(new=TRUE) | |
| plot(GSPC) | |
| axis(4) |
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