For the most curious students QQ-plots and Box-Whisker plots usually become part of the statistical toolbox for the students attending my course of ‘Experimental methods in agriculture’. Most of them learn that the QQ-plot can be used to check for ...

The t-test is a common, reliable way to check for differences between two samples. When dealing with multivariate data, one can simply run t-tests on each variable and see if there are differences. This could lead to scenarios where individual t-tests ...

For the most curious students QQ-plots and Box-Whisker plots usually become part of the statistical toolbox for the students attending my course of ‘Experimental methods in agriculture’. Most of them learn that the QQ-plot can be used to check for the...

rOpenSci HQ rOpenSci at R-Ladies Our community manager Stefanie Butland, and one of our software review editors Brooke Anderson, are speaking remotely at an R-Ladies East Lansing meetup Thursday, October 22nd. They will talk about our how to g...

What?  Where?  When? These are key questions that every scientist or other collector of environmental data must answer. What is the value of the thing we are measuring? Where are we taking the measurement? When are we taking…Read more of Standard Latitudes and Longitudes →

We’ve released the newest version of NIMBLE on CRAN and on our website. NIMBLE is a system for building and sharing analysis methods for statistical models, especially for hierarchical models and computationally-intensive methods (such as MCMC and SMC). Version 0.10.0 provides new features, improvements in speed of building models and ...

tl;dr As of late 2020 there are many dashboarding/reporting/BI tools out there, with the most popular ones being Tableau, PowerBI, and R Shiny. The question quickly becomes – “How can I determine the right tool for my particular needs?” Today we’ll compare two of the most widely used ...

Spatial Data Analysis Using Artificial Neural Networks, Part 2 Richard E. Plant Additional topic to accompany Spatial Data Analysis in Ecology and Agriculture using R, Second Edition http://psfaculty.plantsciences.ucdavis.edu/plant/sda2.htm Chapter and section references are contained in that text, which is referred to as SDA2. Data ...

Due to the current sanitary situation, the Grenoble (France) R user group has decided to switch 100% online. The advantage to this is that our talks will now open for anybody around the globe ???? The next talk will be on October 22nd, 2020 at 5PM (FR): Organising exams in R Package {exams} ...

This article is part of a R-Tips Weekly, a weekly video tutorial that shows you step-by-step how to do common R coding tasks. Let’s learn how to make Excel pivot tables with R. Get the Code: GitHub Link Video Tutorial: YouTube Tutorial ...

This post is part of a series on new features in RStudio 1.4, currently available as a preview release. What’s a Command Palette? Just as a paint palette gives the artist instant access to all their colors, a command palette is a software afforda...

This is the latest in my series of screencasts demonstrating how to use the tidymodels packages, from starting out with first modeling steps to tuning more complex models. Today’s screencast uses a smaller dataset but lets us try out some impor...