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People get this problem wrong because they always end up discussing the theoretical advantages of these languages rather than the practical uses of these languages. Theoretically speaking: Haskell is elegant and has many of the theoretical advantages (language conciseness, orthogonality, parametric polymorphism, ADTs, higher-order functions, smart ...


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You're going to get a pretty broad range of answers with this kind of question, but I'll throw in my two cents. I'm not going to answer your question about the "next big thing" in programming languages, because that's just an opinion survey. Instead, I'm going to describe to you the characteristics of a few popular (and mature and well-supported/documented) ...


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You'll want the ibrokers package, its very good and built on the c++ api. Also check out quantmod, performanceanalytics, and highfrequency package. And a comprehensive list, http://cran.r-project.org/web/views/Finance.html


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You'll want to adjust the contract inputs you're sending to IB secType should be CASH, exchange should be IDEALPRO, and add in whatToShow = "MIDPOINT" or "BID" or "ASK"



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