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Replace list of permutations with getSymbols data in R...

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Merge new row into an existing xts ( purpose: to add current stock quote to historical object from q...

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R Packages Blotter and Quantstrat: Extend framework to implement signal based on fundamental data?...

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Obtain date column from xts object...

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Have lapply continue even after encountering an error using getSymbols from quantmod...

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