Blog Archives

Announcing pdftools 1.0

December 9, 2016
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This week we released version 1.0 of the ropensci pdftools package to CRAN. Pdftools provides utilities for extracting text, fonts, attachments and other data from PDF files. It also supports rendering of PDF files into bitmap images. This release has a few internal enhancements and fixes an annoying bug for landscape PDF pages. The version bump to 1.0 signifies...

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Tesseract Update: Options and Languages

December 8, 2016
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A few weeks ago we announced the first release of the tesseract package: a high quality OCR engine in R. We have now released an update with extra features. Installing Training Data As explained in the first post, the tesseract system is powered by language specific training data. By default only English training data is installed. Version...

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High Performance CommonMark and Github Markdown Rendering in R

December 2, 2016
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High Performance CommonMark and Github Markdown Rendering in R

This week the folks at Github have open sourced their fork of libcmark (based on the extensive PR by Mathieu Duponchelle), which they use to render markdown text within documents, issues, comments and anything else on the Github website. The new release of the commonmark R package incorporates this library so that we can take advantage...

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The new Tesseract package: High Quality OCR in R

November 16, 2016
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The new Tesseract package: High Quality OCR in R

Optical character recognition (OCR) is the process of extracting written or typed text from images such as photos and scanned documents into machine-encoded text. The new rOpenSci package tesseract brings one of the best open-source OCR engines to R. This enables researchers or journalists, for example, to search and analyze vast numbers of documents that are only available...

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Encryption and Digital Signatures in R using GPG

October 19, 2016
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A new package gpg has appeared on CRAN. From the package description: Bindings to GnuPG for working with OpenGPG (RFC4880) cryptographic methods. Includes utilities for public key encryption, creating and verifying digital signatures, and managing your local keyring. Note that some functionality depends on the version of GnuPG that is installed on the system. In particular GnuPG 2 mandates...

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New package graphql: A GraphQL Query Parser

October 5, 2016
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The new ropensci graphql package is now on CRAN. It implements R bindings to the libgraphqlparser C++ library to parse GraphQL syntax and export the syntax tree in JSON format: graphql2json("{ field(complex: { a: { b: } }) }") A syntax parser is perhaps not super useful to most end-users, but...

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Hunspell 2.0: High-Performance Stemmer, Tokenizer, and Spell Checker for R

September 11, 2016
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Hunspell 2.0: High-Performance Stemmer, Tokenizer, and Spell Checker for R

A new version of the ropensci hunspell package has been released to CRAN. Hunspell is the spell checker library used by LibreOffice, OpenOffice, Mozilla Firefox, Google Chrome, Mac OS-X, InDesign, Opera, RStudio and many others. It provides a system for tokenizing, stemming and spelling in almost any language or alphabet. The R package exposes both the high-level spell-checker...

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New in Magick 0.3

September 8, 2016
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New in Magick 0.3

A new version of the ropensci magick package has been released to CRAN. Magick is a package for Advanced Image-Processing in R. It wraps the ImageMagick STL which is perhaps the most comprehensive open-source image processing library available today. Our original announcement has more details. New features This new version now includes a beautiful vignette which gives an...

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jsonlite 0.9.22: distinguish between double and integer

June 14, 2016
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jsonlite 0.9.22: distinguish between double and integer

Today a new version of the jsonlite package was released to CRAN. This update includes a few internal enhancements and one new feature. Doubles vs integers The new always_decimal parameter forces formatting of doubles in decimal notation....

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OpenCPU release 1.6

May 19, 2016
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OpenCPU release 1.6

Following a few weeks of testing, OpenCPU 1.6 has been released. OpenCPU is a production-ready system for embedded statistical computing with R. It provides a neat API for remotely calling R functions over HTTP via e.g. JSON or Protocol Buffers. The OpenCPU server implementation is stable and has been thorougly...

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