R-bloggers

To select areas of interest in a data frame they often need to be ordered by specific columns. The dplyr arrange() function supports data frame orderings by multiple columns in ascending and descending order. Use the arrange() function to sort data f...

I just released my first open-source package: pelotonR! The package was created to provide users with sample access to Peloton data through R. Learn more at the website: https://lgellis.github.io/pelotonR/

Do you want to visualize beautiful graphs in R but are shy to leave the tidyverse? Tidygraph and Ggraph 'got you covered! See how their main functionalities are applied in this social network example! Der Beitrag A Social Network Simulation In The Tidyverse erschien zuerst auf STATWORX.

Joshua M. Rosenberg, Ph.D., is Assistant Professor of STEM Education at the University of Tennessee, Knoxville. In earlier posts, we shared how we wrote Data Science in Education Using R as an open book (Post 1, Post 2). In this post, we describe what we consider to be the open-source authorship ...

The weekly puzzle from Le Monde is a leaking variant on an old puzzle: Three buckets have capacities of 8, 5 and 3 litres, respectively. At the start of the game, the 8 litre bucket is full and both others are empty. Aiming at reaching exactly 4 litres in one bucket, water is transferred between […]

e-Rum2020 conference connects many hundreds of R enthusiasts in virtual space! With the Covid-19 pandemic turning plans upside down on a global scale, what should have happened at the end of May in Milano as eRum2020 had to be converted into a virtu...

Lately I’ve been publishing screencasts demonstrating how to use the tidymodels framework, from first steps in modeling to how to evaluate complex models. Today’s screencast focuses on using bootstrap resampling with this week’s #TidyTuesday dataset from the Claremont Run Project about issues of the comic book series ...

Jackie Wong, Jon Forster (Warwick) and Peter Smith have just published a paper in Statistics & Computing on bridge sampling bias and improvement by splitting. “… known to be asymptotically unbiased, bridge sampling technique produces biased estimates in practical usage for small to moderate sample sizes (…) the estimator yields positive bias that ...