Blog Archives

RcppParallel: Getting R and C++ to work (some more) in parallel

January 15, 2016
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RcppParallel: Getting R and C++ to work (some more) in parallel

(Post by Dirk Eddelbuettel and JJ Allaire) A common theme over the last few decades was that we could afford to simply sit back and let computer (hardware) engineers take care of increases in computing speed thanks to Moore’s law. That same line of thought now frequently points out that we are getting closer and closer

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Secure HTTPS Connections for R

August 17, 2015
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Secure HTTPS Connections for R

Traditionally, the mechanisms for obtaining R and related software have used standard HTTP connections. This isn’t ideal though, as without a secure (HTTPS) connection there is less assurance that you are downloading code from a legitimate source rather than from another server posing as one. Recently there have been a number of changes that make it easier to use HTTPS

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Accelerating R: RStudio and the new R Consortium

June 30, 2015
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Accelerating R: RStudio and the new R Consortium

To paraphrase Yogi Berra, “Predicting is hard, especially about the future”. In 1993, when Ross Ihaka and Robert Gentleman first started working on R, who would have predicted that it would be used by millions in a world that increasingly rewards data literacy? It’s impossible to know where R will go in the next 20

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New Version of RStudio (v0.99) Available Now

May 26, 2015
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New Version of RStudio (v0.99) Available Now

We’re pleased to announce that the final version of RStudio v0.99 is available for download now. Highlights of the release include: A new data viewer with support for large datasets, filtering, searching, and sorting. Complete overhaul of R code completion with many new features and capabilities. The source editor now provides code diagnostics (errors, warnings, etc.) as

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RStudio v0.99 Preview: Graphviz and DiagrammeR

May 1, 2015
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RStudio v0.99 Preview: Graphviz and DiagrammeR

Soon after the announcement of htmlwidgets, Rich Iannone released the DiagrammeR package, which makes it easy to generate graph and flowchart diagrams using text in a Markdown-like syntax. The package is very flexible and powerful, and includes: Rendering of Graphviz graph visualizations (via viz.js) Creating diagrams and flowcharts using mermaid.js Facilities for mapping R objects into graphs, diagrams, and flowcharts.

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RStudio v0.99 Preview: Code Diagnostics

April 28, 2015
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RStudio v0.99 Preview: Code Diagnostics

In RStudio v0.99 we’ve made a major investment in R source code analysis. This work resulted in significant improvements in code completion, and in the latest preview release enable a new inline code diagnostics feature that highlights various issues in your R code as you edit. For example, here we’re getting a diagnostic that notes that there is an extra

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Interactive time series with dygraphs

April 14, 2015
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Interactive time series with dygraphs

The dygraphs package is an R interface to the dygraphs JavaScript charting library. It provides rich facilities for charting time-series data in R, including: Automatically plots xts time-series objects (or objects convertible to xts). Rich interactive features including zoom/pan and series/point highlighting. Highly configurable axis and series display (including optional 2nd Y-axis). Display upper/lower bars (e.g. prediction

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RStudio v0.99 Preview: Tools for Rcpp

April 14, 2015
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RStudio v0.99 Preview: Tools for Rcpp

Over the past several years the Rcpp package has become an indispensable tool for creating high-performance R code. Its power and ease of use have made C++ a natural second language for many R users. There are over 400 packages on CRAN and Bioconductor that depend on Rcpp and it is now the most downloaded R package. In

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RStudio v0.99 Preview: Code Snippets

April 13, 2015
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RStudio v0.99 Preview: Code Snippets

We’re getting close to shipping the next version of RStudio (v0.99) and this week will continue our series of posts describing the major new features of the release (previous posts have already covered code completion, the revamped data viewer, and improvements to vim mode). Note that if you want to try out any of the new

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RStudio v0.99 Preview: Code Completion

February 23, 2015
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RStudio v0.99 Preview: Code Completion

We’re busy at work on the next version of RStudio (v0.99) and this week will be blogging about some of the noteworthy new features. If you want to try out any of the new features now you can do so by downloading the RStudio Preview Release. The first feature to highlight is a fully revamped implementation of

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