April 2018

Rectangling onboarding

April 25, 2018 | rOpenSci - open tools for open science

Our onboarding reviews, that ensure that packages contributed by the community undergo a transparent, constructive, non adversarial and open review process, take place in the issue tracker of a GitHub repository. Development of the packages we onboard also takes place in the open, most often in GitHub repositories. Therefore, when ... [Read more...]

practical Bayesian inference [book review]

April 25, 2018 | xi'an

[Disclaimer: I received this book of Coryn Bailer-Jones for a review in the International Statistical Review and intend to submit a revised version of this post as my review. As usual, book reviews on the ‘Og are reflecting my own definitely personal and highly subjective views on the topic!] It ...
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Parsing Dates and Time – Part 3: Exercises

April 25, 2018 | Biswarup Ghosh

In the exercises below, we will continue our work with the lubridate package to see more features of it. Answers to these exercises are available here. If you obtained a different (correct) answer than those listed on the solutions page, please feel free to post your answer as a comment ...
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V is for (Meta-Analysis) Variance

April 25, 2018 |

Variance in Meta-Analysis For the letter E, I introduced the metafor package to compute effect sizes. That is, you provide a data frame with the study information and the data needed to compute the effect size(s), and metafor does that for you. But what I didn't mention is that ...
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Amsterdam in an R leaflet nutshell

April 25, 2018 | Longhow Lam

The municipal services of Amsterdam (The Netherlands) is providing open panorama images. See here and here. A camera car has driven around in the city, and now you can download these images. Per neighborhood of Amsterdam  I randomly sampled 20 … Continue reading →
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ggplot2: Faceting

April 24, 2018 | Rsquared Academy Blog

Introduction This is the 19th post in the series Elegant Data Visualization with ggplot2. In the previous post, we learnt to modify the title, label and bar of a legend. In this post, we will learn about faceting i.e. combining plots. Libraries, Code & Data We will use the following ...
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Big changes behind the scenes in R 3.5.0

April 24, 2018 | David Smith

A major update to R is now available. The R Core group has announced the release of R 3.5.0, and binary versions for Windows and Linux are now available from the primary CRAN mirror. (The Mac release is forthcoming.) Probably the biggest change in R 3.5.0 will be invisible to most users — ... [Read more...]

Open Data and Trees

April 24, 2018 | Johannes Friedrich's R Blog

Today is “Tag des Baumes” (National Tree Day) in Germany and a few month ago I found a dataset containing a list of trees in Rostock, Germany, with class, species and (very important) the coordinates of these trees. So I started RStudio, ...
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The current state of the Stan ecosystem in R

April 24, 2018 | Jonah Gabry

(This post is by Jonah) Last week I posted here about the release of version 2.0.0 of the loo R package, but there have been a few other recent releases and updates worth mentioning. At the end of the post I also include some general thoughts on R package development with ... [Read more...]

The current state of the Stan ecosystem in R

April 24, 2018 | Jonah Gabry

(This post is by Jonah) Last week I posted here about the release of version 2.0.0 of the loo R package, but there have been a few other recent releases and updates worth mentioning. At the end of the post I also include some general thoughts on R package development with ... [Read more...]

The current state of the Stan ecosystem in R

April 24, 2018 | Jonah

This post is by Jonah. Last week I posted here about the release of version 2.0.0 of the loo R package, but there have been a few other recent releases and updates worth mentioning. At the end of the post I also include some general thoughts on R package development with ... [Read more...]

U is for (Data From) URLs

April 24, 2018 |

Working with URLs in RUp to now, we've been working with files saved locally on your computer. But that limits you to files that can be easily saved to your computer and, up to now, structured data. As we move from pure statistics to a data science approach, more and ... [Read more...]

T is for tibble

April 23, 2018 |

T is for TibbleFor the letter D, I introduced data frames, a built-in R object type. But as I've learned more about R and, in particular, the tidyverse - most recently when I finally started reading Text Mining with R: A Tidy Approach - I learned about a more modern ...
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