Rcpp - Seamless R and C++ Integration

The 'Rcpp' package provides R functions as well as C++ classes which offer a seamless integration of R and C++. Many R data types and objects can be mapped back and forth to C++ equivalents which facilitates both writing of new code as well as easier integration of third-party libraries. Documentation about 'Rcpp' is provided by several vignettes included in this package, via the 'Rcpp Gallery' site at <https://gallery.rcpp.org>, the paper by Eddelbuettel and Francois (2011, <doi:10.18637/jss.v040.i08>), the book by Eddelbuettel (2013, <doi:10.1007/978-1-4614-6868-4>) and the paper by Eddelbuettel and Balamuta (2018, <doi:10.1080/00031305.2017.1375990>); see 'citation("Rcpp")' for details.

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c-plus-plusc-plus-plus-14c-plus-plus-17c-plus-plus-20c-plus-plus-23rcppcpp

22.96 score 792 stars 14k dependents 14k scripts 1.8M downloads

digest - Create Compact Hash Digests of R Objects

Implementation of a function 'digest()' for the creation of hash digests of arbitrary R objects (using the 'md5', 'sha-1', 'sha-256', 'crc32', 'xxhash', 'murmurhash', 'spookyhash', 'blake3', 'crc32c', 'xxh3_64', and 'xxh3_128' algorithms) permitting easy comparison of R language objects, as well as functions such as 'hmac()' to create hash-based message authentication code. Please note that this package is not meant to be deployed for cryptographic purposes for which more comprehensive (and widely tested) libraries such as 'OpenSSL' should be used.

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hash-digest

19.79 score 121 stars 7.5k dependents 13k scripts 1.2M downloads

RcppArmadillo - 'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library

'Armadillo' is a templated C++ linear algebra library aiming towards a good balance between speed and ease of use. It provides high-level syntax and functionality deliberately similar to Matlab. It is useful for algorithm development directly in C++, or quick conversion of research code into production environments. It provides efficient classes for vectors, matrices and cubes where dense and sparse matrices are supported. Integer, floating point and complex numbers are supported. A sophisticated expression evaluator (based on template meta-programming) automatically combines several operations to increase speed and efficiency. Dynamic evaluation automatically chooses optimal code paths based on detected matrix structures. Matrix decompositions are provided through integration with LAPACK, or one of its high performance drop-in replacements (such as 'MKL' or 'OpenBLAS'). It can automatically use 'OpenMP' multi-threading (parallelisation) to speed up computationally expensive operations. . The 'RcppArmadillo' package includes the header files from the 'Armadillo' library; users do not need to install 'Armadillo' itself in order to use 'RcppArmadillo'. Starting from release 15.0.0, the minimum compilation standard is C++14. . Since release 7.800.0, 'Armadillo' is licensed under Apache License 2; previous releases were under licensed as MPL 2.0 from version 3.800.0 onwards and LGPL-3 prior to that; 'RcppArmadillo' (the 'Rcpp' bindings/bridge to Armadillo) is licensed under the GNU GPL version 2 or later, as is the rest of 'Rcpp'.

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armadilloc-plus-plusrcpprcpparmadilloopenblascppopenmp

19.31 score 208 stars 4.7k dependents 2.3k scripts 692k downloads

RcppEigen - 'Rcpp' Integration for the 'Eigen' Templated Linear Algebra Library

R and 'Eigen' integration using 'Rcpp'. 'Eigen' is a C++ template library for linear algebra: matrices, vectors, numerical solvers and related algorithms. It supports dense and sparse matrices on integer, floating point and complex numbers, decompositions of such matrices, and solutions of linear systems. Its performance on many algorithms is comparable with some of the best implementations based on 'Lapack' and level-3 'BLAS'. The 'RcppEigen' package includes the header files from the 'Eigen' C++ template library. Thus users do not need to install 'Eigen' itself in order to use 'RcppEigen'. Since version 3.1.1, 'Eigen' is licensed under the Mozilla Public License (version 2); earlier version were licensed under the GNU LGPL version 3 or later. 'RcppEigen' (the 'Rcpp' bindings/bridge to 'Eigen') is licensed under the GNU GPL version 2 or later, as is the rest of 'Rcpp'.

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algorithmc-plus-pluseigeneigen-libraryopenblascppopenmp

17.47 score 116 stars 4.0k dependents 596 scripts 989k downloads

BH - Boost C++ Header Files

Boost provides free peer-reviewed portable C++ source libraries. A large part of Boost is provided as C++ template code which is resolved entirely at compile-time without linking. This package aims to provide the most useful subset of Boost libraries for template use among CRAN packages. By placing these libraries in this package, we offer a more efficient distribution system for CRAN as replication of this code in the sources of other packages is avoided. As of release 1.84.0-0, the following Boost libraries are included: 'accumulators' 'algorithm' 'align' 'any' 'atomic' 'beast' 'bimap' 'bind' 'circular_buffer' 'compute' 'concept' 'config' 'container' 'date_time' 'detail' 'dynamic_bitset' 'exception' 'flyweight' 'foreach' 'functional' 'fusion' 'geometry' 'graph' 'heap' 'icl' 'integer' 'interprocess' 'intrusive' 'io' 'iostreams' 'iterator' 'lambda2' 'math' 'move' 'mp11' 'mpl' 'multiprecision' 'numeric' 'pending' 'phoenix' 'polygon' 'preprocessor' 'process' 'propery_tree' 'qvm' 'random' 'range' 'scope_exit' 'smart_ptr' 'sort' 'spirit' 'tuple' 'type_traits' 'typeof' 'unordered' 'url' 'utility' 'uuid'.

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boostc-plus-plusrcpp

14.73 score 90 stars 2.5k dependents 155 scripts 572k downloads

anytime - Anything to 'POSIXct' or 'Date' Converter

Convert input in any one of character, integer, numeric, factor, or ordered type into 'POSIXct' (or 'Date') objects, using one of a number of predefined formats, and relying on Boost facilities for date and time parsing.

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boostc-plus-plus-11conversionscpp11datedatetimeposixctrcppcpp

13.93 score 171 stars 107 dependents 1.4k scripts 51k downloads

RcppAnnoy - 'Rcpp' Bindings for 'Annoy', a Library for Approximate Nearest Neighbors

'Annoy' is a small C++ library for Approximate Nearest Neighbors written for efficient memory usage as well an ability to load from / save to disk. This package provides an R interface by relying on the 'Rcpp' package, exposing the same interface as the original Python wrapper to 'Annoy'. See <https://github.com/spotify/annoy> for more on 'Annoy'. 'Annoy' is released under Version 2.0 of the Apache License. Also included is a small Windows port of 'mmap' which is released under the MIT license.

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annoynearestnearest-neighborscpp

12.72 score 77 stars 200 dependents 95 scripts 59k downloads

inline - Functions to Inline C, C++, Fortran Function Calls from R

Functionality to dynamically define R functions and S4 methods with 'inlined' C, C++ or Fortran code supporting the .C and .Call calling conventions.

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fortranrcpp

12.46 score 47 stars 337 dependents 676 scripts 256k downloads

RcppTOML - 'Rcpp' Bindings to Parser for "Tom's Obvious Markup Language"

The configuration format defined by 'TOML' (which expands to "Tom's Obvious Markup Language") specifies an excellent format (described at <https://toml.io/en/>) suitable for both human editing as well as the common uses of a machine-readable format. This package uses 'Rcpp' to connect to the 'toml++' parser written by Mark Gillard to R.

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c-plus-plus-11tomltoml-parsertoml-parsingcpp

12.27 score 39 stars 558 dependents 185 scripts 173k downloads

RProtoBuf - R Interface to the 'Protocol Buffers' 'API' (Version 2 or 3)

Protocol Buffers are a way of encoding structured data in an efficient yet extensible format. Google uses Protocol Buffers for almost all of its internal 'RPC' protocols and file formats. Additional documentation is available in two included vignettes one of which corresponds to our 'JSS' paper (2016, <doi:10.18637/jss.v071.i02>. A sufficiently recent version of 'Protocol Buffers' library is required; currently version 3.3.0 from 2017 is the tested minimum.

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c-plus-plusprotocol-buffersprotobufcpp

11.38 score 81 stars 23 dependents 141 scripts 2.3k downloads

nanotime - Nanosecond-Resolution Time Support for R

Full 64-bit resolution date and time functionality with nanosecond granularity is provided, with easy transition to and from the standard 'POSIXct' type. Three additional classes offer interval, period and duration functionality for nanosecond-resolution timestamps.

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datetimedatetimesnanosecond-resolutionnanosecondscpp

11.24 score 56 stars 18 dependents 161 scripts 14k downloads

drat - 'Drat' R Archive Template

Creation and use of R Repositories via helper functions to insert packages into a repository, and to add repository information to the current R session. Two primary types of repositories are support: gh-pages at GitHub, as well as local repositories on either the same machine or a local network. Drat is a recursive acronym: Drat R Archive Template.

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repositoryrepository-tools

10.91 score 156 stars 13 dependents 117 scripts 1.8k downloads

RcppGSL - 'Rcpp' Integration for 'GNU GSL' Vectors and Matrices

'Rcpp' integration for 'GNU GSL' vectors and matrices The 'GNU Scientific Library' (or 'GSL') is a collection of numerical routines for scientific computing. It is particularly useful for C and C++ programs as it provides a standard C interface to a wide range of mathematical routines. There are over 1000 functions in total with an extensive test suite. The 'RcppGSL' package provides an easy-to-use interface between 'GSL' data structures and R using concepts from 'Rcpp' which is itself a package that eases the interfaces between R and C++. This package also serves as a prime example of how to build a package that uses 'Rcpp' to connect to another third-party library. The 'autoconf' script, 'inline' plugin and example package can all be used as a stanza to write a similar package against another library.

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c-plus-plusgnu-gslhacktoberfestrcppgslcpp

10.68 score 33 stars 57 dependents 83 scripts 10k downloads

littler - R at the Command-Line via 'r'

A scripting and command-line front-end is provided by 'r' (aka 'littler') as a lightweight binary wrapper around the GNU R language and environment for statistical computing and graphics. While R can be used in batch mode, the r binary adds full support for both 'shebang'-style scripting (i.e. using a hash-mark-exclamation-path expression as the first line in scripts) as well as command-line use in standard Unix pipelines. In other words, r provides the R language without the environment.

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embeddedexampleslittler

9.67 score 330 stars 18 scripts 2.9k downloads

tint - 'tint' is not 'Tufte'

A 'tufte'-alike style for 'rmarkdown'. A modern take on the 'Tufte' design for pdf and html vignettes, building on the 'tufte' package with additional contributions from the 'knitr' and 'ggtufte' package, and also acknowledging the key influence of 'envisioned css'.

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markdownvignette

9.58 score 280 stars 1 dependents 303 scripts 404 downloads

RcppDE - Global Optimization by Differential Evolution in C++

An efficient C++ based implementation of the 'DEoptim' function which performs global optimization by differential evolution. Its creation was motivated by trying to see if the old approximation "easier, shorter, faster: pick any two" could in fact be extended to achieving all three goals while moving the code from plain old C to modern C++. The initial version did in fact do so, but a good part of the gain was due to an implicit code review which eliminated a few inefficiencies which have since been eliminated in 'DEoptim'.

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cpp

9.45 score 15 stars 24 dependents 52 scripts 2.1k downloads

Rblpapi - R Interface to 'Bloomberg'

An R Interface to 'Bloomberg' is provided via the 'Blp API'.

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bloombergbloomberg-apircppcpp

8.97 score 175 stars 1 dependents 131 scripts 1.3k downloads

random - True Random Numbers using RANDOM.ORG

The true random number service provided by the RANDOM.ORG website created by Mads Haahr samples atmospheric noise via radio tuned to an unused broadcasting frequency together with a skew correction algorithm due to John von Neumann. More background is available in the included vignette based on an essay by Mads Haahr. In its current form, the package offers functions to retrieve random integers, randomized sequences and random strings.

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random-number-generators

8.93 score 10 stars 2 dependents 1.4k scripts 732 downloads

RcppSimdJson - 'Rcpp' Bindings for the 'simdjson' Header-Only Library for 'JSON' Parsing

The 'JSON' format is ubiquitous for data interchange, and the 'simdjson' library written by Daniel Lemire (and many contributors) provides a high-performance parser for these files which by relying on parallel 'SIMD' instruction manages to parse these files as faster than disk speed. See the <doi:10.48550/arXiv.1902.08318> paper for more details about 'simdjson'. This package parses 'JSON' from string, file, or remote URLs under a variety of settings.

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jsonsimdjsoncpp

8.85 score 125 stars 22 dependents 54 scripts 4.0k downloads

RcppRedis - 'Rcpp' Bindings for 'Redis' using the 'hiredis' Library

Connection to the 'Redis' (or 'Valkey') key/value store using the C-language client library 'hiredis' (included as a fallback) with 'MsgPack' encoding provided via 'RcppMsgPack' headers. It now also includes the pub/sub functions from the 'rredis' package.

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c-plus-plushiredisrcppredisredis-clientvalkeycpp

8.61 score 56 stars 1 dependents 51 scripts 363 downloads

AsioHeaders - 'Asio' C++ Header Files

'Asio' is a cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach. It is also included in Boost but requires linking when used with Boost. Standalone it can be used header-only (provided a recent compiler). 'Asio' is written and maintained by Christopher M. Kohlhoff, and released under the 'Boost Software License', Version 1.0.

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8.56 score 13 stars 70 dependents 2 scripts 67k downloads

RcppSpdlog - R and C++ Interfaces to 'spdlog' C++ Header Library for Logging

The mature and widely-used C++ logging library 'spdlog' by Gabi Melman provides many desirable features. This package bundles these header files for easy use by R packages from both their R and C or C++ code. Explicit use via 'LinkingTo:' is also supported. Also see the 'spdl' package which enhanced this package with a consistent R and C++ interface.

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logging-libraryrcppspdlogcpp

8.45 score 18 stars 15 dependents 5 scripts 2.3k downloads

RPushbullet - R Interface to the Pushbullet Messaging Service

An R interface to the Pushbullet messaging service which provides fast and efficient notifications (and file transfer) between computers, phones and tablets. An account has to be registered at the site <https://www.pushbullet.com> site to obtain a (free) API key.

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jsonmessagingpushbullet

8.44 score 96 stars 1 dependents 111 scripts 4.8k downloads

RcppCCTZ - 'Rcpp' Bindings for the 'CCTZ' Library

'Rcpp' access to the 'CCTZ' timezone library is provided. 'CCTZ' is a C++ library for translating between absolute and civil times using the rules of a time zone. The 'CCTZ' source code, released under the Apache 2.0 License, is included in this package. See <https://github.com/google/cctz> for more details.

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c-plus-plus-11cctzdatetimedatetimesrcpptimezonetimezonescpp

8.34 score 24 stars 19 dependents 17 scripts 11k downloads

RcppCNPy - Read-Write Support for 'NumPy' Files via 'Rcpp'

The 'cnpy' library written by Carl Rogers provides read and write facilities for files created with (or for) the 'NumPy' extension for 'Python'. Vectors and matrices of numeric types can be read or written to and from files as well as compressed files. Support for integer files is available if the package has been built with as C++11 which should be the default on all platforms since the release of R 3.3.0.

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c-plus-plusnumpyzlibcpp

8.31 score 30 stars 508 scripts 1.1k downloads

RQuantLib - R Interface to the 'QuantLib' Library

The 'RQuantLib' package makes parts of 'QuantLib' accessible from R The 'QuantLib' project aims to provide a comprehensive software framework for quantitative finance. The goal is to provide a standard open source library for quantitative analysis, modeling, trading, and risk management of financial assets.

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cppquantlibcpp

8.24 score 131 stars 231 scripts 1.3k downloads

zigg - Lightweight Interfaces to the 'Ziggurat' Pseudo Random Number Generator

The 'Ziggurat' pseudo-random number generator (or PRNG), introduced by Marsaglia and Tsang (2000, <doi:10.18637/jss.v005.i08>) and further improved by Leong et al (2005, <doi:10.18637/jss.v012.i07>), offers a lightweight and very fast PRNG for the normal, exponential, and uniform distributions. It is provided here in a small zero-dependency package. It can be used from R as well as from 'C/C++' code in other packages as is demonstrated by four included sample packages using four distinct methods to use the PRNG presented here in client package. The implementation is influenced by our package 'RcppZiggurat' which offers a comparison among multiple alternative implementations but presented here in a lighter-weight implementation that is easier to use by other packages. The PRNGs provided are generally faster than the ones in base R: on our machine, the relative gains for normal, exponential and uniform are on the order of 7.4, 5.2 and 4.7 times faster than base R. However, these generators are of potentially lesser quality and shorter period so if in doubt use of the base R functions remains the general recommendation.

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cpp

8.06 score 8 stars 215 dependents 4 scripts 22k downloads

binb - 'binb' is not 'Beamer'

A collection of 'LaTeX' styles using 'Beamer' customization for pdf-based presentation slides in 'RMarkdown'. At present it contains 'RMarkdown' adaptations of the LaTeX themes 'Metropolis' (formerly 'mtheme') theme by Matthias Vogelgesang and others (now included in 'TeXLive'), the 'IQSS' them by Ista Zahn (which is included here), and the 'Monash' theme by Rob J Hyndman. Additional (free) fonts may be needed: 'Metropolis' prefers 'Fira', and 'IQSS' requires 'Libertinus'.

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beamerbeamer-presentationbeamer-thememarkdownpdfrmarkdownrmarkdown-beamer

8.01 score 191 stars 2 dependents 2 scripts 704 downloads

RcppZiggurat - 'Rcpp' Integration of Different "Ziggurat" Normal RNG Implementations

The Ziggurat generator for normally distributed random numbers, originally proposed by Marsaglia and Tsang (2000, <doi:10.18637/jss.v005.i08>) has been improved upon a few times starting with Leong et al (2005, <doi:10.18637/jss.v012.i07>). This package provides an aggregation in order to compare different implementations in order to provide a 'faster but good enough' alternative for use with R and C++ code. See the 'zigg' package for a lighter implementation for much easier use in other packages.

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random-number-generatorsrcppzigguratgslcpp

7.96 score 14 stars 3 dependents 74 scripts 6.5k downloads

x13binary - Provide the 'x13ashtml' Seasonal Adjustment Binary

The US Census Bureau provides a seasonal adjustment program now called 'X-13ARIMA-SEATS' building on both earlier programs called X-11 and X-12 as well as the SEATS program by the Bank of Spain. The US Census Bureau offers both source and binary versions -- which this package integrates for use by other R packages.

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7.50 score 11 stars 7 dependents 19 scripts 15k downloads

linl - 'linl' is not 'Letter'

A 'LaTeX' Letter class for 'rmarkdown', using the 'pandoc-letter' template adapted for use with 'markdown'.

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lettermarkdownpandoc

7.32 score 115 stars 1 dependents 2 scripts 248 downloads

tidyCpp - Tidy C++ Header-Only Definitions for Parts of the C API of R

Core parts of the C API of R are wrapped in a C++ namespace via a set of inline functions giving a tidier representation of the underlying data structures and functionality using a header-only implementation without additional dependencies.

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cpp

7.24 score 43 stars 3 dependents 603 downloads

pkgKitten - Create Simple Packages Which Do not Upset R Package Checks

Provides a function kitten() which creates cute little packages which pass R package checks. This sets it apart from package.skeleton() which it calls, and which leaves imperfect files behind. As this is not exactly helpful for beginners, kitten() offers an alternative. Unit test support can be added via the 'tinytest' package (if present), and documentation-creation support can be added via 'roxygen2' (if present).

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skeleton

7.08 score 36 stars 1 dependents 7 scripts 28k downloads

pinp - 'pinp' is not 'PNAS'

A 'PNAS'-alike style for 'rmarkdown', derived from the 'Proceedings of the National Academy of Sciences of the United States of America' ('PNAS') 'LaTeX' style, and adapted for use with 'markdown' and 'pandoc'.

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markdownvignette

7.06 score 154 stars 1 dependents 2 scripts 520 downloads

RInside - C++ Classes to Embed R in C++ (and C) Applications

C++ classes to embed R in C++ (and C) applications A C++ class providing the R interpreter is offered by this package making it easier to have "R inside" your C++ application. As R itself is embedded into your application, a shared library build of R is required. This works on Linux, OS X and even on Windows provided you use the same tools used to build R itself. Numerous examples are provided in the nine subdirectories of the examples/ directory of the installed package: standard, 'mpi' (for parallel computing), 'qt' (showing how to embed 'RInside' inside a Qt GUI application), 'wt' (showing how to build a "web-application" using the Wt toolkit), 'armadillo' (for 'RInside' use with 'RcppArmadillo'), 'eigen' (for 'RInside' use with 'RcppEigen'), and 'c_interface' for a basic C interface and 'Ruby' illustration. The examples use 'GNUmakefile(s)' with GNU extensions, so a GNU make is required (and will use the 'GNUmakefile' automatically). 'Doxygen'-generated documentation of the C++ classes is available at the 'RInside' website as well.

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c-plus-plusembeddedcpp

6.98 score 142 stars 19 scripts 2.0k downloads

RcppDate - 'date' C++ Header Library for Date and Time Functionality

A header-only C++ library is provided with support for dates, time zones, ISO weeks, Julian dates, and Islamic dates. 'date' offers extensive date and time functionality for the C++11, C++14 and C++17 standards and was written by Howard Hinnant and released under the MIT license. A slightly modified version has been accepted (along with 'tz.h') as part of C++20. This package regroups all header files from the upstream repository by Howard Hinnant so that other R packages can use them in their C++ code. At present, few of the types have explicit 'Rcpp' wrappers though these may be added as needed.

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6.78 score 11 stars 19 dependents 9.5k downloads

RcppInt64 - 'Rcpp'-Based Helper Functions to Pass 'Int64' and 'nanotime' Values Between 'R' and 'C++'

'Int64' values can be created and accessed via the 'bit64' package and its 'integer64' class which package the 'int64' representation cleverly into a 'double'. The 'nanotime' packages builds on this to support nanosecond-resolution timestamps. This packages helps conversions between 'R' and 'C++' via several helper functions provided via a single header file. A complete example client package is included as an illustration.

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cpp

6.33 score 7 stars 17 dependents 6 scripts 2.4k downloads

RcppMsgPack - 'MsgPack' C++ Header Files and Interface Functions for R

'MsgPack' header files are provided for use by R packages, along with the ability to access, create and alter 'MsgPack' objects directly from R. 'MsgPack' is an efficient binary serialization format. It lets you exchange data among multiple languages like 'JSON' but it is faster and smaller. Small integers are encoded into a single byte, and typical short strings require only one extra byte in addition to the strings themselves. This package provides headers from the 'msgpack-c' implementation for C and C++(11) for use by R, particularly 'Rcpp'. The included 'msgpack-c' headers are licensed under the Boost Software License (Version 1.0); the code added by this package as well the R integration are licensed under the GPL (>= 2). See the files 'COPYRIGHTS' and 'AUTHORS' for a full list of copyright holders and contributors to 'msgpack-c'.

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messagepackmsgpackmsgpack-headerscpp

6.20 score 22 stars 1 dependents 16 scripts 298 downloads

ulid - Generate Universally Unique 'Lexicographically' 'Sortable' Identifiers

Universally unique identifiers ('UUIDs') can be sub-optimal for many uses-cases because they are not the most character efficient way of encoding 128 bits of randomness; v1/v2 versions are impractical in many environments, as they require access to a unique, stable MAC address; v3/v5 versions require a unique seed and produce randomly distributed IDs, which can cause fragmentation in many data structures; v4 provides no other information than randomness which can cause fragmentation in many data structures. Providing an alternative, 'ULIDs' (<https://github.com/ulid/spec>) have 128-bit compatibility with 'UUID', 1.21e+24 unique 'ULIDs' per millisecond, support standard (text) sorting, canonically encoded as a 26 character string, as opposed to the 36 character 'UUID', use 'base32' encoding for better efficiency and readability (5 bits per character), are case insensitive, have no special characters (i.e. are 'URL' safe) and have a monotonic sort order (correctly detects and handles the same millisecond).

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uliduuidcpp

5.78 score 32 stars 1 dependents 8 scripts 4.1k downloads

RApiSerialize - R API Serialization

Access to the internal R serialization code is provided for use by other packages at the C function level by using the registration of native function mechanism. Client packages simply include a single header file RApiSerializeAPI.h provided by this package. This packages builds on the Rhpc package by Ei-ji Nakama and Junji Nakano which also includes a (partial) copy of the file src/main/serialize.c from R itself. The R Core group is the original author of the serialization code made available by this package.

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serialization

5.75 score 13 stars 7 dependents 6 scripts 4.1k downloads

RcppSMC - Rcpp Bindings for Sequential Monte Carlo

R access to the Sequential Monte Carlo Template Classes by Johansen <doi:10.18637/jss.v030.i06> is provided. At present, four additional examples have been added, and the first example from the JSS paper has been extended. Further integration and extensions are planned.

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particle-filterrcppsequantial-monte-carloopenblascpp

5.48 score 25 stars 7 scripts 578 downloads

qlcal - R Bindings to the Calendaring Functionality of 'QuantLib'

'QuantLib' bindings are provided for R using 'Rcpp' via an evolved version of the initial header-only 'Quantuccia' project offering an subset of 'QuantLib' (now maintained separately just for the calendaring subset). See the included file 'AUTHORS' for a full list of contributors to 'QuantLib' (and hence also 'Quantuccia').

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cpp

5.43 score 9 stars 50 scripts 821 downloads

xptr - Manipulating External Pointers

There is limited native support for external pointers in the R interface. This package provides some basic tools to verify, create and modify 'externalptr' objects.

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5.33 score 8 stars 1 dependents 18 scripts 266 downloads

td - Access to the 'twelvedata' Financial Data API

The 'twelvedata' REST service offers access to current and historical data on stocks, standard as well as digital 'crypto' currencies, and other financial assets covering a wide variety of course and time spans. See <https://twelvedata.com/> for details, to create an account, and to request an API key for free-but-capped access to the data.

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5.26 score 18 stars 101 scripts 209 downloads

rfoaas - R Interface to 'FOAAS'

R access to the 'FOAAS' (F... Off As A Service) web service is provided.

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5.23 score 28 stars 5 scripts 200 downloads

RcppBDT - 'Rcpp' Bindings for the Boost Date_Time Library

Access to Boost Date_Time functionality for dates, durations (both for days and date time objects), time zones, and posix time ('ptime') is provided by using 'Rcpp modules'. The posix time implementation can support high-resolution of up to nano-second precision by using 96 bits (instead of 64 with R) to present a 'ptime' object (but this needs recompilation with a #define set).

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cpp

5.18 score 18 stars 1 dependents 7 scripts 1.9k downloads

tinythemes - Lightweight Repackaging of 'Themes' for 'ggplot2'

Themes for 'ggplot2' are a convenient way to style plots. The 'hrbrthemes' package contains a particularly nice one, but brings along a significant tail of dependencies. So this (currently experimental) package brings along just the 'theme_ipsum_rc' theme using the 'Roboto' 'Condensed' font. Should the font not be installed on your system, see the help in the package 'hrbrthemes' on how to install 'Roboto Condensed'. Note that 'hrbrthemes' is now archived at CRAN.

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5.18 score 40 stars 15 scripts 220 downloads

RcppAPT - 'Rcpp' Interface to the APT Package Manager

The 'APT Package Management System' provides Debian and Debian-derived Linux systems with a powerful system to resolve package dependencies. This package offers access directly from R. This can only work on a system with a suitable 'libapt-pkg-dev' installation so functionality is curtailed if such a library is not found.

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aptlibapt-pkgcpp

5.18 score 10 stars 15 scripts 225 downloads

RDieHarder - R Interface to the 'DieHarder' RNG Test Suite

The 'RDieHarder' package provides an R interface to the 'DieHarder' suite of random number generators and tests that was developed by Robert G. Brown and David Bauer, extending earlier work by George Marsaglia and others. The 'DieHarder' library code is included.

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gsl

5.04 score 11 stars 8 scripts 736 downloads

RcppExamples - Examples using 'Rcpp' to Interface R and C++

Examples for Seamless R and C++ integration The 'Rcpp' package contains a C++ library that facilitates the integration of R and C++ in various ways. This package provides some usage examples. Note that the documentation in this package currently does not cover all the features in the package. The site <https://gallery.rcpp.org> regroups a large number of examples for 'Rcpp'.

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cppcpp11examplesrcppcpp

4.99 score 49 stars 8 scripts 251 downloads

dtts - 'data.table' Time-Series

High-frequency time-series support via 'nanotime' and 'data.table'.

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cpp

4.95 score 15 stars 3 scripts 834 downloads

spdl - Easier Use of 'RcppSpdlog' Functions via Wrapper

Logging functions in 'RcppSpdlog' provide access to the logging functionality from the 'spdlog' 'C++' library. This package offers shorter convenience wrappers for the 'R' functions which match the 'C++' functions, namely via, say, 'spdl::debug()' at the debug level. The actual formatting is done by the 'fmt::format()' function from the 'fmtlib' library (that is also 'std::format()' in 'C++20' or later).

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4.86 score 4 stars 6 dependents 1 scripts 852 downloads

RcppQuantuccia - R Bindings to the Calendaring Functionality of 'QuantLib'

'QuantLib' bindings are provided for R using 'Rcpp' via an updated variant of the header-only 'Quantuccia' project (put together initially by Peter Caspers) offering an essential subset of 'QuantLib' (and now maintained separately for the calendaring subset). See the included file 'AUTHORS' for a full list of contributors to both 'QuantLib' and 'Quantuccia'. Note that this package provided an initial viability proof, current work is done (via approximately quarterly releases tracking 'QuantLib') in the smaller package 'qlcal' which is generally preferred.

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quantlibcpp

4.85 score 13 stars 22 scripts 229 downloads

ttdo - Extend 'tinytest' with 'diffobj' and 'tinysnapshot'

The 'tinytest' package offers a light-weight zero-dependency unit-testing framework to which this package adds support via the 'diffobj' package for 'diff'-style textual comparison of R objects, as well as via 'tinysnapshot' package for visual differences in plots.

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diffunit-testing

4.84 score 23 stars 2 scripts 280 downloads

gunsales - Statistical Analysis of Monthly Background Checks of Gun Purchases

Statistical analysis of monthly background checks of gun purchases for the New York Times story "What Drives Gun Sales: Terrorism, Obama and Calls for Restrictions" at <https://www.nytimes.com/interactive/2015/12/10/us/gun-sales-terrorism-obama-restrictions.html> is provided.

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4.80 score 1 stars 21 scripts 517 downloads

prrd - Parallel Runs of Reverse Depends

Reverse depends for a given package are queued such that multiple workers can run the reverse-dependency tests in parallel.

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hacktoberfestreverse-dependencies

4.59 score 13 stars 2 scripts 208 downloads

dang - 'Dang' Associated New Goodies

A collection of utility functions.

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cpp

4.51 score 16 stars 5 scripts 281 downloads

corels - R Binding for the 'Certifiably Optimal RulE ListS (Corels)' Learner

The 'Certifiably Optimal RulE ListS (Corels)' learner by Angelino et al described in <doi:10.48550/arXiv.1704.01701> provides interpretable decision rules with an optimality guarantee, and is made available to R with this package. See the file 'AUTHORS' for a list of copyright holders and contributors.

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gmpcpp

4.50 score 49 stars 13 scripts 266 downloads

RcppClassic - Deprecated 'classic' 'Rcpp' 'API'

The 'RcppClassic' package provides a deprecated C++ library which facilitates the integration of R and C++. New projects should use the new 'Rcpp' 'API' in the 'Rcpp' package.

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cpp

4.48 score 1 stars 1 dependents 849 downloads

RApiDatetime - R API for 'Date' and 'Datetime'

Access to the C-level R date and 'datetime' code is provided for C-level API use by other packages via registration of native functions. Client packages simply include a single header 'RApiDatetime.h' provided by this package, and also 'import' it. The R Core group is the original author of the code made available with slight modifications by this package.

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datedate-time

4.48 score 12 stars 10 scripts 252 downloads

RcppFastFloat - 'Rcpp' Bindings for the 'fast_float' Header-Only Library for Number Parsing

Converting ascii text into (floating-point) numeric values is a very common problem. The 'fast_float' header-only C++ library by Daniel Lemire does it very well and very fast at up to or over to 1 gigabyte per second as described in more detail in <doi:10.1002/spe.2984>. 'fast_float' is licensed under the Apache 2.0 license and provided here for use by other R packages via a simple 'LinkingTo:' statement.

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rcppcpp

4.32 score 21 stars 6 scripts 249 downloads

crc32c - Cyclic Redundancy Check with CPU-Specific Acceleration

Hardware-based support for 'CRC32C' cyclic redundancy checksum function is made available for 'x86_64' systems with 'SSE2' support as well as for 'arm64', and detected at build-time via 'cmake' with a software-based fallback. This functionality is exported at the 'C'-language level for use by other packages. 'CRC32C' is described in 'RFC 3270' at <https://datatracker.ietf.org/doc/html/rfc3720> and is based on 'Castagnoli et al' <doi:10.1109/26.231911>.

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cpp

4.18 score 5 stars 1 dependents 2 scripts 590 downloads

RcppNLoptExample - 'Rcpp' Package Illustrating Header-Only Access to 'NLopt'

An example package which shows use of 'NLopt' functionality from C++ via 'Rcpp' without requiring linking, and relying just on 'nloptr' thanks to the exporting API added there by Jelmer Ypma. This package is a fully functioning, updated, and expanded version of the initial example by Julien Chiquet at <https://github.com/jchiquet/RcppArmadilloNLoptExample> also containing a large earlier pull request of mine.

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cpp

4.15 score 14 stars 4 scripts 560 downloads

rcppmlpackexamples - Example Use of 'mlpack' from C++ via R

A Minimal Example Package which demonstrates 'mlpack' use via C++ Code from R.

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openblascppopenmp

4.11 score 1 stars 1 scripts 154 downloads

sanitizers - C/C++ Source Code to Trigger Address and Undefined Behaviour Sanitizers

Recent gcc and clang compiler versions provide functionality to test for memory violations and other undefined behaviour; this is often referred to as "Address Sanitizer" (or 'ASAN') and "Undefined Behaviour Sanitizer" ('UBSAN'). The Writing R Extension manual describes this in some detail in Section 4.3 title "Checking Memory Access". . This feature has to be enabled in the corresponding binary, eg in R, which is somewhat involved as it also required a current compiler toolchain which is not yet widely available, or in the case of Windows, not available at all (via the common Rtools mechanism). . As an alternative, pre-built Docker containers such as the Rocker container 'r-devel-san' or the multi-purpose container 'r-debug' can be used. . This package then provides a means of testing the compiler setup as the known code failures provides in the sample code here should be detected correctly, whereas a default build of R will let the package pass. . The code samples are based on the examples from the Address Sanitizer Wiki at <https://github.com/google/sanitizers/wiki>.

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cpp

4.11 score 13 stars 9 scripts 184 downloads

RcppXts - Interface the 'xts' API via 'Rcpp'

Access to some of the C level functions of the 'xts' package. In its current state, the package is mostly a proof-of-concept to support adding useful functions, and does not yet add any of its own.

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cpp

4.00 score 10 stars 3 scripts 143 downloads

RcppFastAD - 'Rcpp' Bindings to 'FastAD' Auto-Differentiation

The header-only 'C++' template library 'FastAD' for automatic differentiation <https://github.com/JamesYang007/FastAD> is provided by this package, along with a few illustrative examples that can all be called from R.

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cpp

3.81 score 13 stars 5 scripts 185 downloads

gaussfacts - The Greatest Mathematician Since Antiquity

Display a random fact about Carl Friedrich Gauss based the on collection curated by Mike Cavers via the <https://web.archive.org/web/*/gaussfacts.com> site.

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3.60 score 4 stars 4 scripts 117 downloads

rmsfact - Amazing Random Facts About the World's Greatest Hacker

Display a randomly selected quote about Richard M. Stallman based on the collection in the 'GNU Octave' function 'fact()' which was aggregated by Jordi Gutiérrez Hermoso based on the (now defunct) site stallmanfacts.com (which is accessible only via <http://archive.org>).

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3.60 score 4 stars 7 scripts 227 downloads

gettz - Get the Timezone Information

A function to retrieve the system timezone on Unix systems which has been found to find an answer when 'Sys.timezone()' has failed. It is based on an answer by Duane McCully posted on 'StackOverflow', and adapted to be callable from R. The package also builds on Windows, but just returns NULL.

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3.57 score 2 stars 1 scripts 3.7k downloads

chronometre - A 'chronomètre' is a 'stopwatch'

As a 'chronomètre' is a 'stopwatch', this package offers a simple stopwatch, and in particular one that can be shared with Python (using the corresponding package of the same name available via 'PyPi') such that both interpreters operate on the same object instance and shown in the demo file, as well as in the unit tests.

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3.48 score 2 stars 1 scripts 183 downloads

ciw - Watch the CRAN Incoming Directories

Directory reads and summaries are provided for one or more of the subdirectories of the <https://cran.r-project.org/incoming/> directory, and a compact summary object is returned. The package name is a contraption of 'CRAN Incoming Watcher'.

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3.30 score 2 stars 3 scripts 144 downloads

RcppKalman - 'RcppArmadillo'-Based Kalman Filtering

An 'RcppArmadillo'-based port of the Kalman filtering code in the 'EKF/UKF Toolbox for Matlab' by Simo Särkkä, Jouni Hartikainen, and Arno Solin is provided. . Note that this package is at this point still incomplete, but contains two demo functions replicating demos in 'EKF/UKF'.

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openblascpp

3.26 score 36 stars 9 scripts

RcppStreams - 'Rcpp' Integration of the 'Streamulus' 'DSEL' for Stream Processing

The 'Streamulus' (template, header-only) library by Irit Katriel (at <https://github.com/iritkatriel/streamulus>) provides a very powerful yet convenient framework for stream processing. This package connects 'Streamulus' to R by providing both the header files and all examples.

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cpp

3.23 score 17 stars 4 scripts 24 downloads

RcppMagicEnum - 'Rcpp' Bindings to 'Magic Enum' 'C++' 'Enum' Support

The header-only modern 'C++' template library 'Magic Enum' for static reflection of 'enums' (to string, from string, iteration) is provided by this package. More information about the underlying library can be found at its repository at <https://github.com/Neargye/magic_enum>.

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cpp

3.18 score 3 stars 1 scripts 178 downloads

RcppFarmHash - Interface to the Google 'FarmHash' Family of Hash Functions

The Google 'FarmHash' family of hash functions is used by the Google 'BigQuery' data warehouse via the 'FARM_FINGERPRINT' function. This package permits to calculate these hash digest fingerprints directly from R, and uses the included 'FarmHash' files written by G. Pike and copyrighted by Google, Inc.

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farmhashcpp

3.18 score 3 stars 2 scripts 198 downloads

RcppUUID - Generating Universally Unique Identificators

Using the efficient implementation in the Boost C++ library, functions are provided to generate vectors of 'Universally Unique Identifiers (UUID)' from R supporting random (version 4), name (version 5) and time (version 7) 'UUIDs'. The initial repository was at <https://gitlab.com/artemklevtsov/rcppuuid>.

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cpp

3.00 score 2 stars 3 scripts 236 downloads

RcppGetconf - 'Rcpp' Interface for Querying System Configuration Variables

The 'getconf' command-line tool provided by 'libc' allows querying of a large number of system variables. This package provides similar functionality.

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cpp

3.00 score 2 stars 2 scripts 83 downloads

rspdlite - R and C++ Interfaces to 'spdlite' C++ Header Library for Logging

The lightweight header-only C++-20 logging library 'spdlite', a lighter version of 'spdlog' and also written by Gabi Melman, provides most of the features of the larger version, and also includes 'fmt' as fallback if 'std::format' is not selected.

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cpp

2.88 score 1 stars 1 dependents 2 scripts

RcppNarrow - First Steps Around 'narrow'

Leaning on the 'narrow' package for C-level access to 'Arrow' without requiring the full weight of that package.

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cpp

2.88 score 5 stars 1 scripts

minm - 'minm' is not meta

One way to get hold of several 'RMarkdown'-using packages for 'Beamer' slides, letters, vignettes / short papers, and Tufte-alike handouts / write-ups.

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2.74 score 11 stars

RcppGeiger - 'Rcpp' Bindings for 'Geiger' Header-Only Micro-Benchmark Framework

The 'Geiger' Header-Only C++11 Micro-Benchmarks Framework, written by David Grosss and released under the MIT license, is provided for use by R packages through lightweight integration with 'Rcpp'.

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benchmark-frameworkbenchmarkingc-plus-plusc-plus-plus-14cpp

2.60 score 4 stars

ldlasb - Lies, Damned Lies, and Selective Benchmarks

Correcting two very selectively chosen benchmarks in order to set a record straight.

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benchmarkingperformancercppcpp

2.60 score 8 stars 3 scripts

RcppUTS - Rcpp Bindings for Algorithms for Unevenly Spaced Time Series

Algorithms and operators for unevenly-spaced time series are provided based on the 'UTS' library by Andreas Eckner.

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cpp

2.60 score 8 stars

earthmovdist - Wrapper to the 'Emd-L1' Library by Haibin Ling and Kazunori Okada

The 'Emd-L1' distance metric from the paper by H. Ling and K. Okada, An Efficient Earth Mover's Distance Algorithm for Robust Histogram Comparison, IEEE Transaction on Pattern Analysis and Machine Intelligence (PAMI), 29(5):840-853, 2007, is provided for use by R. It is based on code downloaded from the URL <http://www.ist.temple.edu/~hbling/code/EmdL1_v3.zip>.

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cpp

2.54 score 7 stars 5 scripts

RcppClassicExamples - Examples using 'RcppClassic' to Interface R and C++

The 'Rcpp' package contains a C++ library that facilitates the integration of R and C++ in various ways via a rich API. This API was preceded by an earlier version which has been deprecated since 2010 (but is still supported to provide backwards compatibility in the package 'RcppClassic'). This package 'RcppClassicExamples' provides usage examples for the older, deprecated API. There is also a corresponding package 'RcppExamples' with examples for the newer, current API which we strongly recommend as the basis for all new development.

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cpp

2.48 score 6 scripts 550 downloads

safy - Show the Global Environment Some Appreciation

In times as trying as these, some extra care is sorely needed for the treatment of one's global variables. A constructive suggestion was made in <https://twitter.com/Obsidiandy/status/1256667469852393474>, and this package aims to pblige.

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2.40 score 5 stars 1 scripts

ompdetect - Example Configure Test for 'OpenMP'

Best practices for cross-platform 'OpenMP' support in an R package. On most platforms, use the R-provided Make macros. On macOS, test the pre-set environment variables, the CRAN builder configuration, the R-provided Make macros (which may be set when using a custom toolchain that supports OpenMP), and the custom OpenMP installation path (when mixing a CRAN build of R with an incompatible Xcode version).

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openmp

2.30 score 1 stars

winsorize - Winsorize Data

Remove outliers by means of winsorization, ie shrinking outlying observations to the border of the main part of the data. This package started from the excellent robustHD package by Andreas Alfons in order to reduce the number dependent package being pulled in. We expect to update the code over time.

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openblascpp

2.30 score 4 stars 3 scripts

ccptm - Cook Country Property Tax Model

We use Cook County, IL, property tax data to model the property taxes a function of available data on properties. This analysis is an R implementation of the work described in the excellent original blog post (and associate Python notebook) by Tanya Schlusser at <http://tanyaschlusser.github.io/posts/property-tax-cook-county/>.

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2.30 score 4 stars 1 scripts

crc32cExample - Example Package Using Exported 'crc32c' Functions

The 'crc32c' package exposes a C-level API allowing other packages to use the functions it exposed. This packages provides a simple example of how. (The 'zigg' package has more extended examples of using the function it exposes in four different ways.)

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cpp

2.18 score

curse - Cursing Words and Phrases

Release some tension when coding by casting some curse words at your screen, not personally intended of course.

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2.18 score 3 stars

tl - Tiny logging interface to 'rspdlite' wrapping 'spdlite' C++20 logging

Just how 'spdl' provides a nice and consistent interface to 'spdlog' (via 'RcppSpdlog'), this package does so for 'spdlite', the lightweight header-only C++-20 logging library, a lighter version of 'spdlog' and also written by Gabi Melman, providing most of the features of the larger version, and also including 'fmt' as fallback if 'std::format' is not selected. This package is essentially a thin shim around it for a more compact interface from both R and C++.

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2.00 score 1 stars

RcppTomlPlusPlus - 'Rcpp' Bindings to tomlplusplus Parser for "Tom's Obvious Markup Language"

The configuration format defined by 'TOML' (which expands to "Tom's Obvious Markup Language") specifies an excellent format (described at <https://toml.io/en/>) suitable for both human editing as well as the common uses of a machine-readable format. This package uses 'Rcpp' to connect the 'toml++' parser written by Mark Gillard (in C++17) to R.

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cpp

2.00 score 8 scripts

RcppAsioExample - A Simple Example of Using 'Asio' from 'R' via 'Rcpp'

The 'AsioHeader' packages brings the 'Asio' library in a header-only format to R. This package illustrates its use via a simple example, and be used as a test whether all relevant packages are correctly setup to allow compilation.

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cpp

2.00 score 2 stars 1 scripts

tinyqueue - A Simple Task Queue

A task queue is provided with simple operator modeled after existing task queue functionality. By relying on either Redis or Valkey as a backend, a suitable degree of concurrency of worker nodes is provided.

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1.78 score 2 scripts

bbb - (Broken) 'Bollinger Band's ... in the presence of 'dplyr'

Demonstrates how 'dplyr' breaks filter() by hiding the stats::filter function. Also used to test if importFrom(..., except=...) works and it seems it does not.

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1.74 score 11 scripts

acane - 'Arrow C API' 'nanoarrow' Examples

Programming via the C API of 'Arrow' is powerful, and while documentation exists additional examples should be helpful. Some examples are collected here.

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cpp

1.70 score 1 scripts

naarma - Connect nanoarrow with (Rcpp)Armadillo

The nanoarrow package offers C-level functionality to work with Arrow object, along with a small amount of C++ integration. This package uses it to interact with Armadillo objects. Some auxiliary testing facility from the nanoarrow package is included here as well.

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armadilloarrowcppmlpackcpp

1.70 score 1 stars 4 scripts

RcppLongLong - Simple test package for long long interactions

Simple tests to tickle long long conversions

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cpp

1.70 score 1 stars

plr - Utility Functions for 'PrairieLearn' and R

'PrairieLearn' is an online problem-driven learning system for creating homeworks and tests. This package adds some helper functions for using it along with R as we are currently doing for <https://stat430.com>.

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1.70 score 1 stars 2 scripts

RcppIconvExample - Rcpp Example of Using Iconv Offered by R

Character conversion via the 'iconv' library is used by R itself, and can be accessed from compiled code relying on one standard header exported by R. This package illustrates this usage by building on and extending an earlier example in a blog post at <https://fishandwhistle.net/post/2021/using-rs-cross-platform-iconv-wrapper-from-cpp11/>. Rcpp is used only for its convenience of seamlessly building the package, and converting between character variable at the R and C++ levels.

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cpp

1.70 score 1 stars

chshli - Check Shared Libraries

R packages can be downloaded from a repository for the 'RStudio Package Manager' or 'RSPM' which provides prebuilt binaries for several Linux distributions easing installing considerably. However, these packages do not have system level support for their run-time dependencies. This packages aims to address this shortcoming with a first application for Ubuntu 18.04 aka 'bionic'.

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1.70 score 1 stars 1 scripts

RcppHyperDual - Rcpp Interface to Hyper-Dual Numbers

Hyper-Dual Numbers permit the exact calculation of second derivatives which is both free of truncation and subtractive cancellation. Hyper-Dual numbers were introduced Jeffrey Fike and Juan Alonson, and this package uses a header-only C++ implementation by Fike and released under the MIT license. Accurate 2nd derivatives computation.

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cpp

1.70 score

RcppBenchmark - 'Rcpp' Bindings for the Google 'Benchmark' Library

The Google 'Benchmark' library provides a framework for microbenchmarking C++ code. This packages makes it accessible from R.

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cpp

1.48 score 3 stars

tlexample - Concise Summary of What the Package Does

More about what it does (maybe more than one line).

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cpp

1.00 score

sampleTestPackage - What the Package Does Using Title Case

A simple package showing different unit testing approaches.

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1.00 score 4 scripts

RcppDA - 'Rcpp' Bindings for 'Debug_Assert'

The single-header library 'Debug_Assert' offers a flexible assertion macro. Its design and use are discussed in <https://www.foonathan.net/2016/09/assertions/>. This package offers its use from R.

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cpp

1.00 score 1 stars

apollo13 - Houston, We Have a Problem

Import a number of helper functions without exposing any evil underscores.

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1.00 score 1 stars 3 scripts