As announced in a few tweets leading up to it, I took the date of what would have been the annual R/Finance conference as an opportunity to hold the one-hour tutorial / workshop with introductory Rcpp material which I often present on the first morni... [Read more...]

Another video in our T^4 series of video lightning talks with tips, tricks, tools, and toys (where we had seen the announcement, shells sessions one, two, and three, as well as one byobu session) is now up at YouTube. It goes a little deeper in the w... [Read more...]

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The eleventh release of littler as a CRAN package is now available, following in the fourteen-ish year history as a package started by Jeff in 2006, and joined by me a few weeks later. littler is the first command-line interface for R as it predates... [Read more...]

The next video (following the announcement, and shells sessions one, two, and three) is up in the T^4 series of video lightning talks with tips, tricks, tools, and toys. This time we introduce the wonderful byobu tool which is called both a ‘text-b... [Read more...]

A new version of drat arrived on CRAN overnight, once again taking advantage of the fully automated process available for such packages with few reverse depends and no open issues. As we remarked at the last release fourteen months ago when we score... [Read more...]

The third video (following the announcement, the shell colors) one as well as last week’s shell prompt one, is up in the stil new T^4 series of video lightning talks with tips, tricks, tools, and toys. Today we cover customizing the shell some more... [Read more...]

A new RcppSimdJson release with updated upstream simdjson code just arrived on CRAN. RcppSimdJson wraps the fantastic and genuinely impressive simdjson library by Daniel Lemire and collaborators. Via some very clever algorithmic engineering to obtain... [Read more...]

The second video (following the announcement and last week’s shell colors) is up in the stil new T^4 series of video lightning talks with tips, tricks, tools, and toys. Today we cover customizing shell prompts. The slides are available here... [Read more...]

Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. RcppArmadillo integrates this library with the R environment and... [Read more...]

The first proper video (following last week’s announcement) is up for new T^4 series of video lightning talks with tips, tricks, tools, and toys. Today we just to a little enhancement for the shell enabled color output (if not already on by default... [Read more...]

A maintenance release of our (still small) ttdo package just arrived on CRAN. As introduced last fall, the ttdo package extends the most excellent (and very minimal / zero depends) unit testing package tinytest by Mark van der Loo with the very cleve... [Read more...]

For way too long now something I had meant to start was a little series about tips, tricks, tools, and toys. I had mentioned the idea a few times to a friend or two, and generally received a thumbs up or a ‘go for it’. But it takes a little ... [Read more...]

Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. RcppArmadillo integrates this library with the R environment and... [Read more...]

Welcome to the 26th post in the rationally regularized R revelations series, or R4 for short. R 4.0.0 was released two days ago, and a casual glance at some social media conversations appears to suggest quite some confusion, almost certainly some mis... [Read more...]

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Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab. RcppArmadillo integrates this library with the R environment and... [Read more...]

A minor routine update 0.0.4 of gettz arrived on CRAN overnight. gettz provides a possible fallback in situations where Sys.timezone() fails to determine the system timezone. That happened when e.g. the file /etc/localtime somehow is not a link into ... [Read more...]

Welcome to the 25nd post in the randomly recurring R recitations series, or R4 for short. Just yesterday, we posted a short post along with a video and supporting slides. It covered how to test the soon-to-be-released R 4.0.0 on a custom Ubuntu 18.04... [Read more...]

Welcome to the 24nd post in the relentlessly regular R ravings series, or R4 for short. R 4.0.0 will be released in less than two weeks, and testing is very important. I had uploaded two alpha release builds (at the end of March and a good week ago) ... [Read more...]