We sent Johannes Tang Kristensen from Arla Foods a few questions about his upcoming talk at EARL London – ‘How much milk do our cows produce? Lessons learned from putting our first R model into production’. How did the need for your project come about? The project started out as part of a larger initiative in Arla with the...
A month ago we closed Call for Papers for Why R? 2019 Conference. Today we are pleased to announce the agenda! From over 75 submissions (from 4 continents) we...
I recently became an RStudio Certified Trainer, and thought that it might interest the broader R Community to learn about this new program. For those who don’t know, RStudio...
I hope you will give me 7 minutes to convince you why CSS is a good thing, and why you should be using it in your projects. In this...
Creating an effective, informative, and aesthetically appealing report to showcase your data can be tedious: it’s often difficult to display your data and your plots together in an uncluttered...
Background AUC is an important metric in machine learning for classification. It is often used as a measure of a model’s performance. In effect, AUC is a measure between...
A maintenance release of RcppQuantuccia arrived on CRAN earlier today. RcppQuantuccia brings the Quantuccia header-only subset / variant of QuantLib to R. At the current stage, it mostly offers...
Intro This function allows us to generate the Sierpinski Triangle and explore other recursive shapes with equal length sides following the same algorithm. shape
The environmental variance model Fitting mixed models has become very common in biology and recent developments involve the manipulation of the variance-covariance matrix for random effects and residuals. To the...
A very brief introduction Some open source data sets Extracting referring expressions to 45 Party-level stance towards 45 House Rep stance & 2016 presidential vote margins Prevalence of 45 reference Summary References In this post, we investigate...
What we want to do Recently, I used a correspondence analysis from the ca package in a paper. All of the figures in the paper were done with ggplot. So,...
I’m developing study simulations that require me to generate a sequence of health status for a collection of individuals. In these simulations, individuals gradually grow sicker over time, though...
The free online book Open Forensic Science in R was created to foster open science practices in the forensic science community. It is comprised of eight chapters: an introduction...
What does a modern analytics platform need to offer companies real added value? Currently, new, innovative platforms are sprouting up on the market again and again – implemented with...
So far in this series, we used vectors from built-in datasets (rivers, women and nhtemp), or created them by stringing together several numbers with the c function (e.g. c(1,...
Motivation I’ve read several studies and articles that claim Econometric models are still superior to machine learning when it comes to forecasting. In the article, “Statistical and Machine Learning forecasting...
Recently I have been working on a very large legacy project which utilises the excellent data.table package throughout. What this has resulted in is an R CMD check containing...
settle down and have another cup of coffee code TLDR There are a lot of Russian’s talking to a lot of Trump campaign members in Mueller report. There are so many it’s...
{golem} has been developed to help building big Shiny application to put in production. What if {golem} could be used to build another popular interactive web application, recently made...
Why you need to be using Grep when programming with R. There’s a reason that grep is included in most if not all programming language to... The post How To...
Earlier this year, I released a simple R package (available at basilesimon/noaastorms) that downloads, cleans and parses NOAA IBtrack data for you. As the NOAA updated its datasets, noaastorms is...
In a previous post, we explored the dividend history of stocks included in the SP500, and we followed that with exploring the dividend history of some NASDAQ tickers. Today’s...
Yesterday I released an ebook on Leanpub, called Modern R with the tidyverse, which you can also read for free here. In this blog post, I want to give some context. Modern R...
In this post, We’re simply going to see 5 tricks that could help improve your tooling using {tidyverse}. Create a difference variable between the current value and the next value This...
We're RStudio Trainers! Big news. RStudio recently started certifying trainers in three areas: the tidyverse, Shiny and teaching. To be certified to teach a topic you have to pass...
Robert Duff (Transport for London) and Rahulan Chandrasekaran (Department for Transport) Robert and Rahulan are doing a joint presentation titled ‘Let me in! Let me on! Quantifying highly frustrating...
In time series context, one of most the commonly used measures is the MAPE. In this blog post, I evaluate critical arguments and weaknesses concerning the MAPE and demonstrate...
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