[Read more...]

[Read more...]

BiclustGUI 1.1.1: BiBit Workflow for Noisy Biclusters Ewoud De Troyer, University of Hasselt (CenStat) Introduction - 1.1.1 Update The 1.1.1 update of the BiclustGUI introduces two 2 new features: The BiBit Workflow Tool for BiBit results: Discov... [Read more...]

This is the second part of the series on volatility modelling. For other parts of the series follow the tag volatility. In this exercise set we will use the dmbp dataset from part-1 and extend our analysis to GARCH (Generalized Autoregressive Conditional Heteroscedasticity) models. Answers to the exercises are available ... [Read more...]

The useR!2017 conference, the annual meeting of R users worldwide and the largest to date, is sold completely sold out. But for those that couldn't make it to Brussels, Microsoft will be live-streaming the conference at aka.ms/useRConference-live. Bookmark that page and follow along during the conference starting with ... [Read more...]

Weighted effect coding is a technique for dummy coding that can have attractive properties, particularly when analysing observational data. In a new publication in the R Journal we explain the rationale of weighted effect coding, ... [Read more...]

Good news, everyone! [crayon-595a10c0c7b68967137438-i/] package has recently received a major update. The version on CRAN is now v2.0.0. I thought that this is a big deal, so I decided to pause for a moment and explain what has happened, and why this new version is ... [Read more...]

INTRODUCTION iPlots is a package which provides interactive statistical graphics, written in Java. You can find many interesting plots such as histograms, barcharts, scatterplots, boxplots, fluctuation diagrams, parallel coordinates plots and spineplots. The amazing part is that all of these plots support querying, linked highlighting, color brushing, and interactive changing ... [Read more...]

[Read more...]

Intro We live in a society heavily reliant upon communication, networking and information exchange. Think about all the chat apps that have recently popped out: WhatsApp, Messenger, Skype, Viber, Slack (not to mention Snapchat or Telegram). They have ... [Read more...]

Intro We live in a society heavily reliant upon communication, networking and information exchange. Think about all the chat apps that have recently popped out: WhatsApp, Messenger, Skype, Viber, Slack (not to mention Snapchat or Telegram). They have ... [Read more...]

This blog post is an update to an older one I wrote in March. In the post from March, dplyr was at version 0.50, but since then a major update introduced some changes that make some of the tips in that post obsolete. So here I revisit the blog post from ... [Read more...]

This blog post is an update to an older one I wrote in March. In the post from March, dplyr was at version 0.50, but since then a major update introduced some changes that make some of the tips in that post obsolete. So here I revisit the blog post from ... [Read more...]

In the first part in a series on Tidy Time Series Analysis, we’ll use tidyquant to investigate CRAN downloads. You’re probably thinking, “Why tidyquant?” Most people think of tidyquant as purely a financial package and rightfully so. However, b... [Read more...]

This blog post is an update to an older one I wrote in March. In the post from March, dplyr was at version 0.50, but since then a major update introduced some changes that make some of the tips in that post obsolete. So here I revisit the blog post from ... [Read more...]

As I said before, I’m firmly siding with Andrew Gelman (see e.g. here) in that model checking is dangerously neglected in Bayesian practice. The philosophical criticism against “rejecting” models (double-using data etc. etc.) is all well, but when using Bayesian methods in practice, I see few sensible alternatives ... [Read more...]

Statistics are often taught in school by and for people who like Mathematics. As a consequence, in those class emphasis is put on leaning equations, solving calculus problems and creating mathematics models instead of building an intuition for probabilistic problems. But, if you read this, you know a bit of ... [Read more...]

[Read more...]

New Zealand’s Family Violence Death Review Committee recently released their Fifth Report Data: January 2009 to December 2015, some grim reading on what it describes rightly as “the devastation of family violence”. I was interested by Figure 3 o... [Read more...]