Blog Archives

OpenCPU 2.1 Release: Scalable R Services

November 21, 2018
By
OpenCPU 2.1 Release: Scalable R Services

OpenCPU provides a mature and robust system for hosting R based services. The server exposes a simple HTTP API for calling R functions, scripts and managing data. The Cloud Server is completely free and scales up to many concurrent users. T...

Read more »

Why Use Docker with R? A DevOps Perspective

October 15, 2017
By
Why Use Docker with R? A DevOps Perspective

There have been several blog posts going around about why one would use Docker with R. In this post I’ll try to add a DevOps point of view and explain how containerizing R is used in the context of the OpenCPU system for building and deploying R servers. Has anyone in the #rstats world written really well about the...

Read more »

Changes to Internet Connectivity in R on Windows

October 10, 2017
By
Changes to Internet Connectivity in R on Windows

This week we released version 3.0 of the curl R package to CRAN. You may have never used this package directly, but curl provides the foundation for most HTTP infrastructure in R, including httr, rvest, and all packages that build on it. If R packages need to go online, chances are traffic is going via curl. This release introduces an...

Read more »

The writexl package: zero dependency xlsx writer for R

September 8, 2017
By

We have started working on a new rOpenSci package called writexl. This package wraps the very powerful libxlsxwriter library which allows for exporting data to Microsoft Excel format. The major benefit of writexl over other packages is that it is completely written in C and has absolutely zero dependencies. No Java, Perl or Rtools are required. Getting Started The write_xlsx function writes...

Read more »

Spelling 1.0: quick and effective spell checking in R

September 7, 2017
By

The new rOpenSci spelling package provides utilities for spell checking common document formats including latex, markdown, manual pages, and DESCRIPTION files. It also includes tools especially for package authors to automate spell checking of R documentation and vignettes. Spell Checking Packages The main purpose of this package is to quickly find spelling errors in R packages. The spell_check_package() function extracts all...

Read more »

Tesseract and Magick: High Quality OCR in R

August 17, 2017
By
Tesseract and Magick: High Quality OCR in R

Last week we released an update of the tesseract package to CRAN. This package provides R bindings to Google's OCR library Tesseract. install.packages("tesseract") The new version ships with the latest libtesseract 3.05.01 on Windows and MacOS. Furthermore it includes enhancements for managing language data and using tesseract together with the magick package. Installing Language Data The new version has several improvements for installing...

Read more »

Magick 1.0: ? ✨? Advanced Graphics and Image Processing in R

August 15, 2017
By
Magick 1.0: ? ✨? Advanced Graphics and Image Processing in R

Last week, version 1.0 of the magick package appeared on CRAN: an ambitious effort to modernize and simplify high quality image processing in R. This R package builds upon the Magick++ STL which exposes a powerful C++ API to the famous ImageMagick library. The best place to start learning about magick is the vignette which gives a brief overview of...

Read more »

Announcing OpenCPU 2.0: Building and Deploying Scalable R Apps and Services

July 13, 2017
By
Announcing OpenCPU 2.0: Building and Deploying Scalable R Apps and Services

OpenCPU 2.0 provides the most robust system available today for building and deploying R based apps and services. The server exposes a simple HTTP API for calling with R functions, scripts and managing data, which provides a very solid basi...

Read more »

New rOpenSci Packages for Text Processing in R

June 13, 2017
By

Textual data and natural language processing are still a niche domain within the R ecosytstem. The NLP task view gives an overview of existing work however a lot of basic infrastructure is still missing. At the rOpenSci text workshop in April we discussed many ideas for improving text processing in R which revealed several core areas that need improvement: Reading: better...

Read more »

Release mongolite 1.0

March 13, 2017
By
Release mongolite 1.0

After 2.5 years of development, version 1.0 of the mongolite package has been released to CRAN. The package is now stable, well documented, and will soon be submitted for peer review to be onboarded in the rOpenSci suite. MongoDB in R and mongolite I started working on mongolite in September 2014, and it was first announced at the rOpenSci unconf 2015....

Read more »

Search R-bloggers


Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)