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 ...

Two years ago I have written a post “Naughty APEs and the quest for the holy grail“, where I have discussed why percentage-based error measures (such as MPE, MAPE, sMAPE) are not good for the task of forecasting performance evaluation. However, it seems to me that I did not explain ...

A new version of graphlayouts is now available on CRAN. This major update introduces several new layout algorithms and adds additional support for weighted networks. Here is a breakdown of all changes: BREAKING CHANGE: removed qgraph(). Now part of ggraph. POSSIBLE BREAKING CHANGE: layout_with_focus() now also returns the ...

Visualizing the relationship between multiple variables can get messy very quickly. This post is about how the ggpairs() function in the GGally package does this task, as well as my own method for visualizing pairwise relationships when all the variables … Continue reading →

It’s only been a couple days since the initial version of my revamped take on RSwitch but there have been numerous improvements since then worth mentioning. For starters, there’s a new app icon that uses the blue and gray from the official (modern) R logo to help visually ...

I caught this post on the The Surprising Number Of Programmers Who Can’t Program from the Hacker News RSS feed. Said post links to another, classic post on the same subject and you should read both before continuing. Back? Great! Let’s dig in. Why does hrbrmstr care about ...

There are a variety of data science courses online, but which one is the best? Find out the pros and cons of each! Coursera, EdX, etc These MOOCs have been around for several years now and continue to grow. But are they really the best option for learning online? Pros: ...

Suppose our team is preparing to freeze a new implant design. In order to move into the next phase of the PDP, it is common to perform a suite of formal “Design Freeze” testing. If the results of the Design Freeze testing are acceptable, the project can advance from Design ...

mRpostman is an R package to help you to easy connect to your IMAP (Internet Message Access Protocol) server and execute commands, such as listing mailboxes, searching and fetching messages in a tidy way. It calls ‘curl’ in background when is...

At the bottom of the R for macOS Developer’s Page there’s mention of an “other binary” called “RSwitch” that is “a small GUI that allows you to switch between R versions quickly (if you have multiple versions of R framework installed).” Said switching requires you to use the “...

What does a modern analytics platform need to offer companies real added value? Why is the administration of user and role rights a factor not to be underestimated when using analytics platforms? In the previous article, we showed how important an intuitive user interface and an open user group concept ...