Introduction Are you tired of spending hours tuning and testing different machine learning models for your regression or classification problems? The new R package {tidyAML} is here to simplify the process for you! tidyAML is a simple interface ... [Read more...]

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We’re evolving in an increasingly data-driven world. And since critical decisions are taken based on results produced by data scientists and data analysts, they need to be be able to trust the tools they use. It is now increasingly common to add continuous integration to software packages and libraries, ... [Read more...]

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Docker-based variant-calling pipelines Encapsulating large and complex software applications or packages in docker images makes sense for many reasons. Not least because of a one-line install protocol (i.e., docker pull) that takes care of the plethora of dependencies that many of these packages have. This is especially true in ... [Read more...]

You can say what you want about Twitter, but the way animated GIFs are presented on that platform is pretty nice. It’s not so surprising that they play and loop, as one would expect them to do, but the nice thing is that if you click them, they pause. ... [Read more...]

Andrew Couch has a nice video about deploying a shiny app using docker. He goes from the very basics, that asume no knowledge of docker whatsoever, which is the position of many R users like myself. I’ve been working in some shiny app lately, and... [Read more...]

Andrew Couch tiene un video genial sobre como poner una aplicación shiny en docker. El video está en inglés, pero bien vale la pena. Va desde lo más básico, sin asumir ningún conocimiento de docker, lo cual es la situación de muchos usuarios de ... [Read more...]

Install from the Operating System’s repositories Compile R from source Install R using rig Install R from the R4Pi Project This started out as a section in some of my other posts but as installation options started to pile up it began to take too much space to ... [Read more...]

There’s a kind of error in the previous post. In this formula: \[ \exp\Bigl(-\frac{{(i/n-0.5)}^2 + {(j/n-0.5)}^2}{0.025^2} \Bigr), \] the indices \(i\) and \(j\) should range from ... [Read more...]

I just saw this article in Le Monde : « a pair of cats can produce 20,000 individuals in just four years ». (translation) That seems quite high… Let’s check! (additionally, the article is about feral cats preying on wildlife but we are shown a wild cat capturing a laboratory mouse!) This figure ... [Read more...]

Introduction Getting data for health care in the US can sometimes be hard. With my R package {healthyR.data} I am hoping to alleviate some of that pain. Right now the package is bring actively developed from what was a simple yet sleepy simulate... [Read more...]

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I found such an algorithm on Paul Bourke’s website: take a random matrix \(M\) of size \(n \times n\) (we’ll take \(n=400\)), real or complex; ... [Read more...]

Yesterday tikzDevice version 0.12.4 made it unto CRAN and is now propagating to the mirrors. The tikzDevice package provides a graphics output device for R that records plots in a LaTeX-friendly format. The device transforms plotting commands issued b... [Read more...]

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What are the latest health research applications using R? A roundup from the 2022 NHS-R conference. With 47 projects presented [Read more...]

Introduction I am almost ready for a first release of my R package {tidyAML}. The purpose of this is to act as a way of quickly generating models using the parsnip package and keeping things inside of the tidymodels framework allowing users to s... [Read more...]

Introduction When working in R I find it best to create a new project when working on something. This keeps all of the data and scripts in one location. This also means that if you are not careful the directory you have your project in can becom... [Read more...]