Joe Cheng presented shinymeta enabling reproducibility in shiny at useR in July 2019. This is a simple application using shinymeta. You will see how reactivity and reproducibility do not exclude each other. I am really thankful for Joe Cheng realizing the shinymeta project. Introduction In 2018 at the R/Pharma conference I ...

Tidiness is half the life .. this is a German saying that you might not necessarily have to live. While it becomes essential in programming, at least in my opinion. Because when you do not invest a little time into the order and structure of your projects, the time you spend ...

The European R conference will visit Milan in 2020! Mirai Solutions is delighted to actively support and participate in the organization of the event. The European R Users Meeting (eRum) is a biennial conference, taking place in Europe during those...

Motivation After reading The Life Changing Magic of Tidying Text and A tidy text analysis of Rick and Morty I wanted to do something similar for Rick and Morty and I did. Now I’m doing something similar for Bojack Horseman. In this post I’ll focus on the Tidy ...

Introduction Over the last few years I have really enjoyed becoming part of the R community. One of the best things about the community is the welcoming, inclusive and supportive nature of it. I can’t speak for other communities in the computer or data science worlds but I am ...

Motivation After reading The Life Changing Magic of Tidying Text and A tidy text analysis of Rick and Morty I wanted to do something similar for Rick and Morty and I did. Now I’m doing something similar for Bojack Horseman. In this post I’ll focus on the Tidy ...

In this post we will close the trilogy on (old style) swap pricing. In particular, we will look at how downloading the data for the variable rate needed to calculate the variable leg accrual. Part 1 gave the general idea behind tidy pricing interest rate swaps using a 7 lines pipe Part 2 ...

The grainchanger package provides functionality for data aggregation to a coarser resolution via moving-window or direct methods. Why do we need new methods for data aggregation? As landscape ecologists and macroecologists, we often need to aggregate data in order to harmonise datasets. In doing so, we often lose a lot ...

In the last two posts, I introduced the notion of time-varying intra-cluster correlations in the context of stepped-wedge study designs. (See here and here). Though I generated lots of data for those posts, I didn’t fit any models to see if I could recover the estimates and any underlying ...

Despite being a full-on denizen of all things digital I receive a fair number of dead-tree print magazines as there’s nothing quite like seeing an amazing, large, full-color print data-driven visualization up close and personal. I also like supporting data journalism through the subscriptions since without cash we will ...

by Bob Muenchen & Sean Mackinnon One of us (Muenchen) has been tracking The Popularity of Data Science Software using a variety of different approaches. One approach is to use Google Scholar to count the number of scholarly articles found … Continue reading →

Very briefly: Last week was useR! conference time again, coming to you this time from Toulouse, France I’ve retrieved 8 318 tweets that mention #user2019 and run them through my report generator And here are the results Take-home message this year: the R Ladies rock!

I recently learned how to use the choroplethr package through a short tutorial by the package author Ari Lamstein (youtube link here). To cement what I learned, I thought I would use this package to visualize flood insurance claims. I … Continue reading →

For some time I’ve wanted to recreate the cover art from Joy Division’s Unknown Pleasures album. The visualisation depicts successive pulses from the pulsar PSR B1919+21, discovered by Jocelyn Bell in 1967. Album art. Data The first obstacle ...

For some time I’ve wanted to recreate the cover art from Joy Division’s Unknown Pleasures album. The visualisation depicts successive pulses from the pulsar PSR B1919+21, discovered by Jocelyn Bell in 1967. Album art.Data The first obstacle was acquiring the data. I found a D3 visualisation by Mike ...

My web scraping project explored the distribution of headline sentiment by news source. To do this, I scraped the Nasdaq latest market headlines page and applied sentiment analysis to the retrieved text. It should be noted that I only scraped one web page, but this page aggregates headlines from multiple ...

How do you access Twitter’s API, collect a stream of tweets, and analyze the retrieved data? Which potentials, challenges, and limitations for social scientific research come along with using Twitter data? This Methods Bites Tutorial b...

How do you access Twitter’s API, collect a stream of tweets, and analyze the retrieved data? Which potentials, challenges, and limitations for social scientific research come along with using Twitter data? This Methods Bites Tutorial by Denis Cohen, based on a workshop by Simon Kühne (Bielefeld University) in ...