R-bloggers | R news and tutorials contributed by hundreds of R bloggers

ttdo 0.0.6: Bugfix

July 28, 2020 | Thinking inside the box

A bugfix release of our (still small) ttdo package arrived on CRAN overnight. 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...]

Why R? 2020 (Remote) Call for Papers Deadline

July 28, 2020 | Why R? Foundation

This week we are closing the Call for Papers for 2020.whyr.pl remote conferenceIf you would like to give a talk (that will be available on our YouTube channel) please fill this form 2020.whyr.pl/submit/ The deadline for submissions is 2020-07-31 23... [Read more...]

Giving Away 10,000+ DataCamp Subscriptions to Those Who Need Them Most

July 28, 2020 | DataCamp Team

Times are tough in the wake of COVID-19 and the current economic downturn. Many are looking to upgrade their skills to be more competitive in the job market or transition into new careers entirely. As the best online platform for learning data skills, ...

[Read more...]

Why R? 2020 (Remote) Call for Papers Deadline

July 28, 2020 | Marcin Kosiński

This week we are closing the Call for Papers for 2020.whyr.pl remote conferenceIf you would like to give a talk (that will be available on our YouTube channel) please fill this form 2020.whyr.pl/submit/ The deadline for submissions is 2020-07-31 23... [Read more...]

{shinydisconnect}: Show a nice message when a Shiny app disconnects or errors

July 28, 2020 | Dean Attali's R Blog

Have you ever noticed how an error in your Shiny app looks very different when it happens locally (in RStudio on your laptop) compared to when it happens in production (in shinyapps.io or Shiny Server or Connect)? Locally, when a ... [Read more...]

{shinydisconnect}: Show a nice message when a Shiny app disconnects or errors

July 28, 2020 | Dean Attali's R Blog

Have you ever noticed how an error in your Shiny app looks very different when it happens locally (in RStudio on your laptop) compared to when it happens in production (in shinyapps.io or Shiny Server or Connect)? Locally, when a Shiny app br...

[Read more...]

Create a publication-ready correlation matrix, with significance levels, in R

July 28, 2020 | Paul van der Laken

In most (observational) research papers you read, you will probably run into a correlation matrix. Often it looks something like this: In Social Sciences, like Psychology, researchers like to denote the statistical significance levels of the correlation coefficients, often using asterisks (i.e., *). Then the table will look more like ... [Read more...]

Specify additional aesthetics for points

July 28, 2020 | Quantargo Blog

ggplot2 implements the grammar of graphics to map attributes from a data set to plot features through aesthetics. This framework can be used to adjust the point size, color and transparency alpha of points in a scatter plot. Add additional plotting d...

[Read more...]

Network Analysis: Who is the Most Important Influencer?

July 28, 2020 | Learning Machines

Networks are everywhere: traffic infrastructure and the internet come to mind, but networks are also in nature: food chains, protein-interaction networks, genetic interaction networks and of course neural networks which are being modelled by Artificial Neural Networks. In this post, we will create a small network (also called graph mathematically) ... [Read more...]

How to create PowerPoint reports with R

July 27, 2020 | Andrew Treadway

In my last post, we discussed how to create and read Word files with R’s officer package. This article will expand on officer by showing how we can use it to create PowerPoint reports. Getting started Let’s get started by loading officer. Next, we’ll create a PowerPoint ...

[Read more...]

Progress Bar

July 27, 2020 | R | Trundler

Trundler’s catalog of retailers and products is growing all the time! Sometimes, it might take a while to return queries that request a lot of data. That’s why we’ve added a new progress bar feature to the {trundler} R package. We implemented this using the fantastic {progressr} ... [Read more...]

Maximum Likelihood Estimation

July 27, 2020 | R | All Your Bayes

TLDR Maximum Likelihood Estimation (MLE) is one method of inferring model parameters. This post aims to give an intuitive explanation of MLE, discussing why it is so useful (simplicity and availability in software) as well as where it is limited (point estimates are not as informative as Bayesian estimates, which ...

[Read more...]

Can I host my R packages on npm? (Spoiler: yes)

July 27, 2020 | Colin Fay

I’m a big fan of how dependencies are managed in the NodeJS world, be it internally when developing, or when it comes to where they are hosted (i.e via npm, the Node Package Manager). Of course it has its downside (that I won’t be talking about her... [Read more...]

Getting started with tidymodels and #TidyTuesday Palmer Penguins

July 27, 2020 | rstats | Julia Silge

Lately I’ve been publishing screencasts demonstrating how to use the tidymodels framework, from first steps in modeling to how to evaluate complex models. Today’s screencast is good for folks just getting started with tidymodels, using this week’s #TidyTuesday dataset on penguins. 🐧 Here is the code I used ...

[Read more...]

3 Wild-Caught R and Python Applications

July 27, 2020 | Carl Howe

A colleague recently asked me an intriguing question: “Do you know of any good examples of R and Python interoperability being used to solve real-world problems instead of just toy examples?” I had to admit that I hadn’t gone looking for such examples but that I’d see if ... [Read more...]

The History of R (updated for 2020)

July 27, 2020 | David Smith

As an update to this post, here's a list of the major events in R history since its creation: 1992: R development begins as a research project in Auckland, NZ by Robert Gentleman and Ross Ihaka 1993: First binary versions of R published at Statlib 1995: R first distributed as open-source software, under ... [Read more...]

Efron Updates breiman’s “two cultures” essay

July 27, 2020 | matloff

The June 2020 issue of JASA features a highly insightful essay by Brad Efron, dean of the world’s statisticians. The article is accompanied by commentary by a number of statistical luminaries. Important, indeed central questions are raised. I would hope JASA runs more pieces of this nature. The essay may ... [Read more...]

margins-of-victory, voting behavior & re-election

July 26, 2020 | Jason Timm

Breifly VoteView & DW-NOMINATE Longest-serving members of the US House Longest-serving members & political ideology Longest-serving members & election margins Margins & ideology: the example of Frank Pallone, Jr. (NJ-06) A re-election model – logistic regression Thoughts Breifly In this post, we take a couple of different historical perspectives on the US House of Representatives, ...

[Read more...]

Programmatically create new headings and outputs in Rmarkdown

July 26, 2020 | R | Science Loft

I often find myself performing analyses looped over certain parts of the data in my Rmarkdown. I like seeing the output under different headings in the final output for easy navigation. Although it is rather simple, I can never remember the recipe for this right away, and as a result, ... [Read more...]

June 2020: “Top 40” New CRAN Packages

July 26, 2020 | R Views

Two hundred ninety new packages made it to CRAN in June. Here are my “Top 40” picks in ten categories: Computational Methods, Data, Genomes, Machine Learning, Medicine, Science, Statistics, Time Series, Utilization, and Visualization. Computational Methods Rfractran v1.0 Implements the esoteric, Turing complete FRACTRAN programming language invented by John Horton Conway. ...

[Read more...]