'Markdown' Rendering for R

Provides R bindings to the 'Sundown' 'Markdown' rendering library ( https://github.com/vmg/sundown). 'Markdown' is a plain-text formatting syntax that can be converted to 'XHTML' or other formats. See http://en.wikipedia.org/wiki/Markdown for more information about 'Markdown'.

Classes for 'GeoJSON'

Classes for 'GeoJSON' to make working with 'GeoJSON' easier. Includes S3 classes for 'GeoJSON' classes with brief summary output, and a few methods such as extracting and addin bounding boxes, properties, and coordinate reference systems; linting through the geojsonlint package; and serializing to/from Geobuf binary 'GeoJSON' format.

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, . Either version 2 or 3 of the 'Protocol Buffers' 'API' is supported.

Query 'R' Versions, Including 'r-release' and 'r-oldrel'

Query the main 'R' 'SVN' repository to find the versions 'r-release' and 'r-oldrel' refer to, and also all previous 'R' versions and their release dates.

ProPublica API Client

Client for accessing data journalism APIs from ProPublica < http://www.propublica.org/>.

Google's S2 Library for Geometry on the Sphere

R bindings for Google's s2 library for geometric calculations on the sphere.

Client for 'jq', a 'JSON' Processor

Client for 'jq', a 'JSON' processor (< https://stedolan.github.io/jq/>), written in C. 'jq' allows the following with 'JSON' data: index into, parse, do calculations, cut up and filter, change key names and values, perform conditionals and comparisons, and more.

Simple Features for R

Support for simple features, a standardized way to encode spatial vector data. Binds to GDAL for reading and writing data, to GEOS for geometrical operations, and to Proj.4 for projection conversions and datum transformations.

Utilities for Graphical Rendering

Useful tools for writing vector graphics devices.

Parse XML

Work with XML files using a simple, consistent interface. Built on top of the 'libxml2' C library.