Text in R can be represented in several ways but generally it is a character vector (strings). Reading a text file would mean most of the content would either be in a single long character file, or broken into several variables and observations as a da...

? Problem Statement The accounting department of a company that sells motorcycle parts operates three warehouses in a large metropolitan area. The company want’s their sales data analysed and want to capture sales by payment method. They also want...

Data scientists need many skills, not just in handling data, but working with different programming languages, technical environments, computational requirements, and more. They need to do this while meeting stakeholder expectations quickly and accurat...

Geocomputation with R is a book on geographic data analysis, visualization, and modeling. The First Edition was first published as a physical book in 2019 and we have reached 500k people through via the website at https://geocompr.robinlovelace.net...

Happy birthday easystats! Two years ago, which feels like yesterday, we celebrated the easystats project’s first anniversary. Wow, those were simpler times! One could travel for pleasure, party with dozens of people and have a face-to-face conver...

R Consortium talked to Denisse Fierro Arcos of the R-Ladies Galapagos Chapter (also on Twitter) about the struggles of managing an R-Ladies group during the pandemic. Denisse talked about the... The post R-Ladies Galapagos Chapter on Collaborations, Challenges, and Opportunities During the Pandemic appeared first on R Consortium.

In this blog post, I’m going to talk about joining data tables together. Joining tables is incredibly useful when you have to download several data files on a common set of subjects and then aggregate them into a larger, singular data set. This i...

Until today, we have examined the supervised learning algorithms; but this time, we will take a look at a different learning method. The algorithm we just mentioned is association rules which is an unsupervised learning method. The algorithm is referred to as market basket analysis as it usually has been ...

Introduction In this post, memorable characteristics of chocolate bars are plotted. These characteristics relate to anything about the bars, e.g. texture, flavour, overall opinion. This data set includes the country of cocoa bean origin for each cho...

R version 4.0.0 was released almost two years ago. The change in the major version, 3.x.y to 4.0.0, represented significant and potentially breaking changes. For an organisation to start using the...

Hello, welcome to the second part of this look at F1 Drivers performance in 2021 and this time we look at the top 10 so get your cup of Yorkshire tea at the ready! =9 Daniel Ricciardo 50% =9 Lando Norris 50% Lando Norris is a strange one. The first half of the season was […]

Developing an R Shiny dashboard from scratch can be a time-consuming process. Luckily for you, you don’t need to start from scratch. In 2021 we released four R Shiny dashboard templates that are open to the public. The best part is – you can use and modify them free of charge! ...

SICSS-Nigeria is accepting applications to participate in the two-week-long Summer Institute in Computational Social Science that will take place on June 19-29, 2022, at Covenant University (Nigeria). SICSS-Nigeria will bring together postgraduate students, early-career academics and researchers, as well as junior officers in statistical offices, government ministries, and agencies. Application/registration ...

Introduction With the R6 library enabling users to create object classes, it is possible to solve a variety of computer science problems using R. Following the same fashion of my previous blogs on tree search algorithms (see here, here, here and here), in this blog I explore solving linked list ...

Like many others in the ‘United’ Kingdom, I’ve found my energy supplier has gone bust, due to ongoing price hikes, and I’ve been moved over to another one, whom ordinarily I wouldn’t have signed up with.

This is the recipe I use to upgrade R on a Linux box. It’s something that I do fairly frequently on fresh EC2 instances. Remove Old R Check for existing R package. dpkg -l | grep -E "(r-base-core|cran)" Remove existing R installation. sudo apt-get purge -y r-base-core Check again ...