August 2019

The R Factor

August 27, 2019 | Owen Jones

To the uninitiated, entering UCL’s packed Darwin lecture theatre on Monday evening knowing you held a golden ticket so coveted that 400 names remained on a waitlist, you could be forgiven for thinking this was the most popular meetup on the planet And perhaps, on this occasion at least, LondonR ... [Read more...]

Data science courses with R in Frankfurt!

August 27, 2019 | eoda GmbH

Data science courses with R in Frankfurt! R is one of the leading programming languages for data analysis. In our R trainings, we teach you the manifold possibilities of the free programming language in a practically orientated and comprehensive way. Unlock the potential of data science with the free R ...

R Journal July Issue

August 26, 2019 | matloff

As the current Editor-in-Chief of the R Journal, I must apologize for the delay in getting the July issue online, due to technical and other matters. In the meantime, though, please take a look at the many interesting articles slated for publication in this and upcoming issues. Various improvements in ... [Read more...]

How to scrape Zomato Restaurants Data in R

August 26, 2019 | AbdulMajedRaja RS

Zomato is a popular restaurants listing website in India (Similar to Yelp) and People are always interested in seeing how to download or scrape Zomato Restaurants data for Data Science and Visualizations. In this post, We’ll learn how to scrape / download Zomato Restaurants (Buffets) data using R. Also, hope ...

Approximating small probabilities using importance sampling

August 26, 2019 | R-bloggers on Mikkel Meyer Andersen

Box plots are often used. They are not always the best visualisation (e.g. is bi-modality not visible), but I will not discuss that in this post. Here, I will use it as an example of Importance sampling that is a technique to estimate tail probabi...

Building a Recommendation System with Beer Data

August 26, 2019 | Posts on Data Science Diarist

Beer culture in the United States has changed dramatically in the past decade or so. This trend is reflected in the development of a vibrant community of people who rate, review, and share information about beers online. Websites like BeerAdvocate, RateBeer, and Untappd give beer drinkers a place to share ...

How much pizza and how much frozen yogurt? …with Gröbner bases

August 26, 2019 | R-bloggers on Mikkel Meyer Andersen

In a recent blog post I tried to get yacas to solve a system of polynomial equations. Unfortunately it could not do that, so I solved it numerically instead. Now it is possible – together with many other systems of polynomial equations thanks to fixing a small error in yacas. It ... [Read more...]

Improving AFL articles

August 26, 2019 | Analysis of AFL

So you might have seen an article from someone who has a weird simpsons display picture about the sorry state of AFL analytics. This isn’t saying that AFL work is poor as a whole or that people within AFL circles aren’t capable of good work. This just points ...

Using rOpenSci Software Peer Review Guidelines for Teaching

August 26, 2019 | rOpenSci - open tools for open science

Teaching collaborative software development In the University of British Columbia’s Master of Data Science program one of the courses we teach is called Collaborative Software Development, DSCI 524. In this course we focus on teaching how to exploit practices from collaborative software development techniques in data scientific workflows. This includes ... [Read more...]

Polished – Modern Authentication for Shiny

August 26, 2019 | Posts on Tychobra

We are excited to announce polished. Polished is a new R package that adds modern user authentication and user administration to your Shiny apps. Polished comes with many of the authentication features required by today’s web apps (e.g. user registr... [Read more...]

Introducing data_algebra

August 26, 2019 | John Mount

This article introduces the data_algebra project: a data processing tool family available in R and Python. These tools are designed to transform data either in-memory or on remote databases. In particular we will discuss the Python implementation (also called data_algebra) and its relation to the mature R implementations (...

Behind the Scenes of an R Consortium Project

August 26, 2019 | Ari Lamstein

Next Tuesday (September 3) I will be giving a talk at the Bay Area R User Group titled Behind the Scenes of an R Consortium Project. This will be my first time speaking about my work with the R Consortium, and I encourage you to attend! Over the last few years ...

Combining the power of R and Python with reticulate

August 26, 2019 | AbdulMajedRaja RS

R + Py In the word of R vs Python fights, This is a simple (could be called, naive as well) attempt to show how we can combine the power of Python with R and create a new superpower. Like this one, If you have watched The Incredibles before! About this ...

RMarkdown Template that Manages Academic Affiliations – docx or PDF output

August 26, 2019 | [email protected]

Background I like writing my academic papers in RMarkdown because it allows reproducible research. The cleanest way to submit a manuscript made in RMarkdown is using the LaTeX code that it generates using the YAML switch keep_tex = true. A minimalist YAML header would look like so: [crayon-5d640e2...

Click n click (GC606J1)

August 26, 2019 | densurekalkun

Today’s puzzle is a single part of a mystery that comprises several smaller puzzles, styled on the cult classic TV show The Crystal Maze. To get the coordinates there is a “mental” test for the northings, two easy puzzles that I won’t go into here. The westings are ...

RSwitch 1.4.0 Released

August 26, 2019 | hrbrmstr

Swift 5 has been so much fun to hack on that there’s a new update to macOS R-focused mebubar utility RSwitch available. Along with the app comes a new dedicated RSwitch landing page and a new user’s guide since it has enough features to warrant such documentation. Here’s ...

Mixing up R markdown shortcut keys in RStudio, or how to unfold all chunks

August 25, 2019 | kjytay

When using R markdown in RStudio, I like to insert a new chunk using the shortcut Cmd+Option+I. Unfortunately I often press a key instead of “I” and end up folding all the chunks, getting something like this: It often takes … Continue reading →

Studying Politics on and with Wikipedia

August 25, 2019 | R on Methods Bites

The online encyclopedia Wikipedia, together with its sibling, the collaboratively edited knowledge base Wikidata, provides incredibly rich yet largely untapped sources for political research. In this Methods Bites Tutorial, Denis Cohen and Nick Baumann offer a hands-on recap of Simon Munzert’s (Hertie School of Governance) workshop materials to show ...

Practice using lubridate… THEATRICALLY

August 25, 2019 | Rstats on Julia Silge

I am so pleased to now be an RStudio-certified tidyverse trainer! ???? I have been teaching technical content for decades, whether in a university classroom, developing online courses, or leading workshops, but I still found this program valuable for my own professonal development. I learned a lot that is going to ...

Maximum likelihood estimation from scratch

August 25, 2019 | R on Alejandro Morales' Blog

Maximum likelihood estimates of a distribution Maximum likelihood estimation (MLE) is a method to estimate the parameters of a random population given a sample. I described what this population means and its relationship to the sample in a previous post. Before we can look into MLE, we first need to ...

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