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Export Data Frames to 'xlsx' Format
Portable, light-weight data frame to 'xlsx' exporter based on 'libxlsxwriter'. No 'Java' or 'Excel' required.
Producing and Reproducing Results
A system for embedded scientific computing and reproducible research with R. The OpenCPU server exposes a simple but powerful HTTP api for RPC and data interchange with R. This provides a reliable and scalable foundation for statistical services or building R web applications. The OpenCPU server runs either as a single-user development server within the interactive R session, or as a multi-user Linux stack based on Apache2. The entire system is fully open source and permissively licensed. The OpenCPU website has detailed documentation and example apps.
Tools for Spell Checking in R
Spell checking common document formats including latex, markdown, manual pages, and description files. Includes utilities to automate checking of documentation and vignettes as a unit test during 'R CMD check'. Both British and American English are supported out of the box and other languages can be added. In addition, packages may define a 'wordlist' to allow custom terminology without having to abuse punctuation.
Open Source OCR Engine
Bindings to 'Tesseract': An OCR engine with unicode (UTF-8) support that can recognize over 100 languages out of the box.
'Blowfish' Password Hashing Algorithm
Bindings to the 'blowfish' password hashing algorithm derived from the 'OpenBSD' implementation.
Base64 Encoder and Decoder
Compatibility wrapper to replace the orphaned package by Romain Francois. New applications should use the 'openssl' or 'base64enc' package instead.
Parse Argument Options
Bindings to AppArmor and Security Related Linux Tools
Bindings to various methods in the kernel for enforcing security restrictions. AppArmor can apply mandatory access control (MAC) policies on a given task (process) via security profiles with detailed ACL definitions. In addition the package has kernel bindings for setting the process hardware resource limits (rlimit), uid, gid, affinity and priority. The high level R function 'eval.secure' builds on these methods to do dynamic sandboxing: it evaluates a single R expression within a temporary fork which acts as a sandbox by enforcing fine grained restrictions without affecting the main R process. Recent versions on this package can also be installed on systems without libapparmor, in which case some features are automatically disabled.
A collection of specifications to securely transfer claims such as authorization information between parties. A JSON Web Token (JWT) contains claims used by systems to apply access control rules to its resources. One potential use case of the JWT is authentication and authorization for a system that exposes resources through OAuth 2.0.
R Client for Ohmage 2 server
R Client for Ohmage 2 server. Implements basic R functions to retrieve and process data.