In November 2021, I took part in the third edition of the 30 Day Map Challenge created by Topi Tjukanov. Participants are given a theme for each day of November, and are tasked with creating a map...

In line with the continuous growth at Jumping Rivers, we are looking to expand our team of dedicated professionals working in our teams. If you are enthusiastic and keen to develop your skills in ...

This blog post was written by our intern Osheen Macoscar. 2020 is a year most of us would like to leave behind. But not all change is bad, and many interesting developments, especially in educatio...

In June 2020, GitHub announced that is was moving the default branch name from master to the more neutral name, main. GitLab followed suit in a few months later. Tobie Langel makes the salient point on why changing the name is a good thing: So master is not only racist, it’...

  Get the code for this blog on GitHub What is this tutorial and who is it for? This tutorial is aimed mainly at R users who want to learn a bit of D3, and specifically those who are interested in how you can incorporate D3 into your existing workflows in ...

Apache Parquet is a popular column storage file format used by Hadoop systems, such as Pig, Spark, and Hive. The file format is language independent and has a binary representation. Parquet is used to efficiently store large data sets and has the extension .parquet. This blog post aims to understand ...

Many organisations have a robust infrastructure that allows their data science teams to provide, fast and reliable insights. But for many groups, they are just starting down this path. We, Jumping...

One great thing about using GitHub is the ability to view and contribute to others’ code. Even the code underlying many of our favourite packages is available for us to examine and play around with. Forking a repository is a great way to create an exact replica of someone else’...

In line with the continuous growth at Jumping Rivers, we are looking to expand our team of dedicated professionals working in our teams. If you are enthusiastic and keen to develop your skills in ...

Good news! In tandom with the loosening of lockdown restrictions, Jumping Rivers has released the updated 2021 public, online training course schedule. We are offering courses across multiple prog...

R-4.1.0 is released! Rejoice! A new R release (v 4.1.0) is due on 18th May 2021. Typically most major R releases don’t contain that many new features, but this release does contain some interesting and important changes. This post summarises some of the notable changes introduced. More detail on the changes ...

We are currently developing a SAAS Shiny application. We have a prototype that is functional, but not ready for release. Your role will be to refactor the application, and push it towards public r...

This is part four of our four part series Part 1: Specifying the correct figure dimension in {knitr}. Part 2: What image format should you use for graphics. Part 3: Including external graphics in your document Part 4: Setting default {knitr} options (this post). As with many aspects of programming, when you are working ...

This is part three of our four part series on {knitr} and {rmarkdown} Part 1: Specifying the correct figure dimension in {knitr}. Part 2: What image format should you use for graphics. Part 3: In...

At Jumping Rivers we recently moved our website from WordPress to Hugo. The main reason for the move was that since the team are all very comfortable with Git, continuous integration and continuous development using a static web-site generator made more sense than WordPress. Additional benefits are decreasing the page ...

If you’ve been using R for a while, you’ve likely accumulated a hodgepodge of useful code along the way. Said hodgepodge might include functions you source into multiple projects; bits and bobs that you copy and paste where needed; or code that solved a particularly esoteric problem and ...

Don’t we all miss 2019 (blame Covid for the long delay in this post). The days of going to work and seeing your work colleagues face to face - and for some of you, attending one of our on-site tra...

One of our main roles at Jumping Rivers is to set-up and provide ongoing maintenance to R, Python and RStudio infrastructure. This typically involves ensuring software is up-to-date and making sur...