Jeffrey Ryan

Jeffrey Ryan

7 packages on CRAN

mmap

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R interface to POSIX mmap and Window's MapViewOfFile.

expint

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The exponential integrals E_1(x), E_2(x), E_n(x) and Ei(x), and the incomplete gamma function G(a, x) defined for negative values of its first argument. The package also gives easy access to the underlying C routines through an API; see the package vignette for details. A test package included in sub-directory example_API provides an implementation. C routines derived from the GNU Scientific Library <https://www.gnu.org/software/gsl/>.

IBrokers

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Provides native R access to Interactive Brokers Trader Workstation API.

quantmod

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Specify, build, trade, and analyse quantitative financial trading strategies.

RBerkeley

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Oracle Berkeley DB - <http://www.oracle.com/technetwork/database/database-technologies/berkeleydb/overview/index.html> - is a family of embedded key-value database libraries providing scalable high-performance data management services to applications. The Berkeley DB products use simple function-call APIs for data access and management. This package provides an R interface to the Berkeley DB API.

xts

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Provide for uniform handling of R's different time-based data classes by extending zoo, maximizing native format information preservation and allowing for user level customization and extension, while simplifying cross-class interoperability.

zoo

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An S3 class with methods for totally ordered indexed observations. It is particularly aimed at irregular time series of numeric vectors/matrices and factors. zoo's key design goals are independence of a particular index/date/time class and consistency with ts and base R by providing methods to extend standard generics.