by Jack Woodward | Jul 13, 2025 | Jack Woodward
In this post, we’ll be exploring date functions in Tableau. We’ll start off with a cheat sheet, showcasing the more commonly used date functions with examples and outputs. And then diving into five real-world use cases, such as shipping delays,...
by Jack Woodward | Jul 11, 2025 | Jack Woodward
What is Row Level Security (RLS) Row level security is a feature in Power BI that allows you to restrict data access on who is viewing the report. Instead of creating multiple dashboards for separate audiences, RLS allows you to apply filter dynamically so each user...
by Jack Woodward | Jul 10, 2025 | Jack Woodward
Donut charts are a great alternative to pie charts as they offer a cleaner visual layout, creating a useful white space in the center that can be used to display key insights, totals or additional context. Since Tableau doesn’t have a built-in donut chart type,...
by Jack Woodward | Jul 9, 2025 | Jack Woodward
The Early Weeks Early on in the training, we were introduced to Tableau, Power BI, Alteryx, and SQL. Most days generally start off by covering the basics, working out something like x + y, and I’d remember thinking to myself ‘okay, this is easy’. But...
by Jack Woodward | Jul 9, 2025 | Jack Woodward
To get into the Data School, you’re asked to create a Tableau visualisation using a provided dataset and present it during the interview, explaining your story and key insights that you uncovered. Now with my four months of training coming to an end, I wanted to...
by Jack Woodward | Jul 8, 2025 | Jack Woodward
In this guide, I will walk through how to create a dynamic KPI that updates based on a year parameter. It will also contain trend arrows and a percent difference to enable clear year over year analysis. Trend arrows are powerful addition to KPIs, offering instant...
