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Are you aware of the findata.org site and its directory? The code is also in a bazaar repository as well as GitHub repo.


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I like Quantlib http://quantlib.org/index.shtml http://cran.r-project.org/web/packages/RQuantLib/index.html The QuantLib project is aimed at providing a comprehensive software framework for quantitative finance. QuantLib is a free/open-source library for modeling, trading, and risk management in real-life. QuantLib is written in C++ with a clean object ...


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There is no guarantee that the optimization method always converges! In an introduction the author of the package recommends using the "hybrid" solver, which starts out with the "solnp" and goes through the other solvers, if it doesn't converge. According to him, this should at least guarantee convergence in 90 % of the cases. ...



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