Category: R

Feed: R-bloggers. Author: jmount. [This article was first published on R – Win Vector LLC, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't ... Read More

Feed: R-bloggers. Author: R/exams. [This article was first published on R/exams, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Generating, importing, and customizing online tests for TestVision with R/exams. Motivation This tutorial illustrates how to use R/exams for creating online exams for TestVision. Testvision is a Dutch commercial online testing company which administers online exams for many universities in the Netherlands. Until now the import of external material from R/exams into TestVision was ... Read More

Feed: R-bloggers. Author: T. Moudiki. For some reasons I couldn’t foresee, there’s been no blog post here on november 13and november 20. So, here is the post about LSBoost announced here a few weeks ago. First things first, what is LSBoost? Gradient boosted nonlinear penalized least squares. More precisely in LSBoost, the ensembles’ base learners are penalized, randomized neural networks. These previous posts, with several Python and R examples, constitute a good introduction to LSBoost: More recently, I’ve also written a more formal, short introduction to LSBoost: The paper’s code – and more insights on LSBoost – can be found ... Read More

Feed: R-bloggers. Author: Econometrics and Free Software. Some weeks ago I tweeted this: GUIs were a mistake — Bruno Rodrigues (@brodriguesco) October 9, 2020 you might think that I tweeted this as an unfunny joke, but it’s not. GUIs were one of the worstthings to happen for statisticians. Clickable interfaces for data analysis is probably one of thegreatest source of mistakes and errors in data processing, very likely costing many millions tocompanies worldwide and is a source of constant embarassment when mistakes happen which cost thereputation, and money, of institutions or people. Remember the infamous Excel mistake by Reinhard and ... Read More

Feed: R-bloggers. Author: Michael Griebe. [This article was first published on R – Fantasy Football Analytics, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't ... Read More

Feed: R-bloggers. Author: AdventuresInData. [This article was first published on AdventuresInData, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.  Strong winds caused substantial water surface elevation differences in Lake Erie around November 15, 2020.  Here’s an animated plot of elevations measured by NOAA.  Plot was developed using R and Windows Live Movie Maker Related ... Read More

Feed: R-bloggers. Author: An Accounting and Data Science Nerd's Corner. The idea OK. We are at home. Again. Given that large parts of Europe and the U.S. are currently experiencing a second large wave of Covid-19 cases and that most European jurisdictions have reacted with more or less rigorous lockdown regulations, one wonders about the effects of these regulations on social distancing compared to the one in March/April. In a recent TRR 266 workshop on data visualization, we (Astrid and Joachim) used this setting to discuss a workflow on how to let data speak graphically. This blog post, which is ... Read More

Feed: R-bloggers. Author: Theory meets practice.... Abstract: Slides, R code and video lectures of our 2020 The Mathematics and Statistics of Infectious Disease Outbreaks summer course at Stockholm University are made available to a wider audience. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a GNU General Public License (GPL v3) license from github. Introduction During the 2020 summer Tom Britton and I gave a course on The Mathematics and Statistics of Infectious Disease Outbreaks at the Department of Mathematics, Stockholm University, Sweden. Pre-requisites for the ... Read More

Feed: R-bloggers. Author: Appsilon. Appsilon is Named a Rising Star 2020 wasn’t easy on anyone, and it was a devastating year for many. Businesses of all types had to readjust the way they work and pivot their overall strategies in this new environment. The IT sector was one of the least affected by the COVID-19 crisis, but difficulties were still inevitable for many tech companies. At Appsilon, the crisis made us pull together (figuratively) and work harder than ever at delivering innovative solutions for our clients. The results speak for themselves. Want to see some impressive Shiny dashboards? Visit Appsilon’s ... Read More

Feed: R-bloggers. Author: Marcel Austenfeld. [This article was first published on R – Bio7, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. 20.11.2020 A new version of Bio7 is available. This update comes with a plethora of new features, improvements and bugfixes. Bio7 3.2 Dark theme enabled using the spatstat package examples and plots. For those who don’t know Bio7. The application Bio7 is an integrated development environment for ecological modeling, scientific image ... Read More