Created
May 11, 2011 00:45
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adds returns to xts object
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| pulp <- function(sym){ | |
| require("quantmod") | |
| juice <- getSymbols(sym, auto.assign=FALSE) | |
| juice$log_ret <- dailyReturn(Cl(juice), type="log") | |
| assign(sym, juice, envir=.GlobalEnv) | |
| } |
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